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Finding the Fourth Proportional to 3,657.52, 5,046.84 and 2,398

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Solution

The fourth proportional to 3,657.52, 5,046.84 and 2,398 is: 3,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.52 : 5,046.84 = 2,398 : x
  2. Step 2: Convert to fraction form
    3,657.52/5,046.84 = 2,398/x
  3. Step 3: Cross multiply
    3,657.52x = 5,046.84 × 2,398
  4. Step 4: Simplify right side
    3,657.52x = 12,102,322.32
  5. Step 5: Solve for x
    x = 12,102,322.32/3,657.52
  6. Step 6: Final answer
    x = 3,308.89

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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.