Home / 5,747.52-7,930.72-3,229.12

Finding the Fourth Proportional to 5,747.52, 7,930.72 and 3,229.12

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Solution

The fourth proportional to 5,747.52, 7,930.72 and 3,229.12 is: 4,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.52 : 7,930.72 = 3,229.12 : x
  2. Step 2: Convert to fraction form
    5,747.52/7,930.72 = 3,229.12/x
  3. Step 3: Cross multiply
    5,747.52x = 7,930.72 × 3,229.12
  4. Step 4: Simplify right side
    5,747.52x = 25,609,246.57
  5. Step 5: Solve for x
    x = 25,609,246.57/5,747.52
  6. Step 6: Final answer
    x = 4,455.70

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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.