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Finding the Fourth Proportional to 5,887.41, 8,125.98 and 3,787.89

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Solution

The fourth proportional to 5,887.41, 8,125.98 and 3,787.89 is: 5,228.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.41 : 8,125.98 = 3,787.89 : x
  2. Step 2: Convert to fraction form
    5,887.41/8,125.98 = 3,787.89/x
  3. Step 3: Cross multiply
    5,887.41x = 8,125.98 × 3,787.89
  4. Step 4: Simplify right side
    5,887.41x = 30,780,318.38
  5. Step 5: Solve for x
    x = 30,780,318.38/5,887.41
  6. Step 6: Final answer
    x = 5,228.16

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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.