Home / 5,738.38-7,915.75-3,613.12

Finding the Fourth Proportional to 5,738.38, 7,915.75 and 3,613.12

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Solution

The fourth proportional to 5,738.38, 7,915.75 and 3,613.12 is: 4,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.38 : 7,915.75 = 3,613.12 : x
  2. Step 2: Convert to fraction form
    5,738.38/7,915.75 = 3,613.12/x
  3. Step 3: Cross multiply
    5,738.38x = 7,915.75 × 3,613.12
  4. Step 4: Simplify right side
    5,738.38x = 28,600,554.64
  5. Step 5: Solve for x
    x = 28,600,554.64/5,738.38
  6. Step 6: Final answer
    x = 4,984.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.