Home / 5,614.32-7,747.68-3,257.80

Finding the Fourth Proportional to 5,614.32, 7,747.68 and 3,257.80

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Solution

The fourth proportional to 5,614.32, 7,747.68 and 3,257.80 is: 4,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.32 : 7,747.68 = 3,257.80 : x
  2. Step 2: Convert to fraction form
    5,614.32/7,747.68 = 3,257.80/x
  3. Step 3: Cross multiply
    5,614.32x = 7,747.68 × 3,257.80
  4. Step 4: Simplify right side
    5,614.32x = 25,240,391.90
  5. Step 5: Solve for x
    x = 25,240,391.90/5,614.32
  6. Step 6: Final answer
    x = 4,495.72

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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.