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Finding the Fourth Proportional to 3,671.97, 5,507.28 and 3,487.29

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Solution

The fourth proportional to 3,671.97, 5,507.28 and 3,487.29 is: 5,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.97 : 5,507.28 = 3,487.29 : x
  2. Step 2: Convert to fraction form
    3,671.97/5,507.28 = 3,487.29/x
  3. Step 3: Cross multiply
    3,671.97x = 5,507.28 × 3,487.29
  4. Step 4: Simplify right side
    3,671.97x = 19,205,482.47
  5. Step 5: Solve for x
    x = 19,205,482.47/3,671.97
  6. Step 6: Final answer
    x = 5,230.29

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.