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Finding the Fourth Proportional to 5,087.53, 7,634.13 and 2,747.49

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Solution

The fourth proportional to 5,087.53, 7,634.13 and 2,747.49 is: 4,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.53 : 7,634.13 = 2,747.49 : x
  2. Step 2: Convert to fraction form
    5,087.53/7,634.13 = 2,747.49/x
  3. Step 3: Cross multiply
    5,087.53x = 7,634.13 × 2,747.49
  4. Step 4: Simplify right side
    5,087.53x = 20,974,695.83
  5. Step 5: Solve for x
    x = 20,974,695.83/5,087.53
  6. Step 6: Final answer
    x = 4,122.77

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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.