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Finding the Fourth Proportional to 6,265.31, 8,640.16 and 3,747.01

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Solution

The fourth proportional to 6,265.31, 8,640.16 and 3,747.01 is: 5,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,265.31 : 8,640.16 = 3,747.01 : x
  2. Step 2: Convert to fraction form
    6,265.31/8,640.16 = 3,747.01/x
  3. Step 3: Cross multiply
    6,265.31x = 8,640.16 × 3,747.01
  4. Step 4: Simplify right side
    6,265.31x = 32,374,765.92
  5. Step 5: Solve for x
    x = 32,374,765.92/6,265.31
  6. Step 6: Final answer
    x = 5,167.30

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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.