Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 5 - Ratio and Proportion - Review Exercises - Page 376: 12

Answer

Ans: $x\approx2.67$

Work Step by Step

$\frac{3}{1} = \frac{8}{x}$ We need to find the unknown Number in the proportion. First we need to find the cross product i.e. $3\times x = 8 \times 1$ So, $3 x = 8$ Divide both sides by 3 i.e. $3 x \div 3 = 8 \div 3$ so, $x\approx2.67$
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