The formula for writing 3 is to 5 as 21 is to a number is

$\frac { 3 } { 5 } = \frac { 21 } { x }$
3x = 21(5)

3x = 105

x = 35

Name: The formula for writing 3 is to 5 as 21 is to a number is $\frac { 3 } { 5 } = \frac { 21 } { x }$ 3x = 21(5) 3x = 105 x = 35
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Question

The formula for writing 3 is to 5 as 21 is to a number is
​
​ $\frac { 3 } { 5 } = \frac { 21 } { x }$ ​
3x = 21(5)
​
3x = 105
​
x = 35

Quizplus · Accepted Answer

The given steps correctly solve the proportion $\frac{3}{5} = \frac{21}{x}$ by cross-multiplying to get $3x = 21 \times 5$, simplifying to $3x = 105$, and then dividing by 3 to find $x = 35$.

The Formula for Writing 3 Is to 5 as 21 35=21x\frac { 3 } { 5 } = \frac { 21 } { x }53​=x21​

The Formula for Writing 3 Is to 5 as 21 $\frac { 3 } { 5 } = \frac { 21 } { x }$