Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 5 - Ratio and Proportion - 5.4 Solving Problems - 5.4 Exercises - Page 356: 17



Work Step by Step

We are given the proportion $\frac{.7}{9.8}=\frac{3.6}{x}$. We can set the cross products equal to each other and solve for the unknown variable. $.7\times x=9.8\times3.6$ $.7x=35.28$ Divide both sides by .7. $x\approx50.4$
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