Chapter 7: Q64. (page 349)

Use equivalent ratios to solve the proportion.
$\frac{a}{3} = \frac{14}{21}$

Short Answer

Expert verified

The solution of proportion $\frac{a}{3} = \frac{14}{21}$ is $a = 2$ .

Step by step solution

Step 1. Given Information.

The proportion is $\frac{a}{3} = \frac{14}{21}$ .

Step 2. Calculation.

Therefore, the proportion is

$\begin{matrix} \frac{a}{3} = \frac{14}{21} \\ 21 \cdot a = 14 \cdot 3 [crossproduct] \\ 21 a = 42 [multiply] \\ a = \frac{42}{21} [crossproduct] \\ a = 2 [divide] \end{matrix}$

Step 3. Conclusion.

The solution of proportion $\frac{a}{3} = \frac{14}{21}$ is $a = 2$ .

Unlock Step-by-Step Solutions & Ace Your Exams!

Full Textbook Solutions
Get detailed explanations and key concepts
Unlimited Al creation
Al flashcards, explanations, exams and more...
Ads-free access
To over 500 millions flashcards
Money-back guarantee
We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

Recommended explanations on Math Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Use equivalent ratios to solve the proportion.
$\frac{a}{3} = \frac{14}{21}$

Short Answer

Step by step solution

Step 1. Given Information.

Step 2. Calculation.

Step 3. Conclusion.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Pure Maths

Theoretical and Mathematical Physics

Mechanics Maths

Statistics

Probability and Statistics

Decision Maths

Study anywhere. Anytime. Across all devices.

Use equivalent ratios to solve the proportion.a3=1421

Short Answer

Step by step solution

Step 1. Given Information.

Step 2. Calculation.

Step 3. Conclusion.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Pure Maths

Theoretical and Mathematical Physics

Mechanics Maths

Statistics

Probability and Statistics

Decision Maths

Study anywhere. Anytime. Across all devices.

Use equivalent ratios to solve the proportion.
$\frac{a}{3} = \frac{14}{21}$