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Finding the Fourth Proportional to 6,257.87, 8,635.87 and 3,425.25

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Solution

The fourth proportional to 6,257.87, 8,635.87 and 3,425.25 is: 4,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.87 : 8,635.87 = 3,425.25 : x
  2. Step 2: Convert to fraction form
    6,257.87/8,635.87 = 3,425.25/x
  3. Step 3: Cross multiply
    6,257.87x = 8,635.87 × 3,425.25
  4. Step 4: Simplify right side
    6,257.87x = 29,580,031.12
  5. Step 5: Solve for x
    x = 29,580,031.12/6,257.87
  6. Step 6: Final answer
    x = 4,726.85

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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.