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Finding the Fourth Proportional to 5,008.73, 7,513.11 and 2,087

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Solution

The fourth proportional to 5,008.73, 7,513.11 and 2,087 is: 3,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.73 : 7,513.11 = 2,087 : x
  2. Step 2: Convert to fraction form
    5,008.73/7,513.11 = 2,087/x
  3. Step 3: Cross multiply
    5,008.73x = 7,513.11 × 2,087
  4. Step 4: Simplify right side
    5,008.73x = 15,679,860.57
  5. Step 5: Solve for x
    x = 15,679,860.57/5,008.73
  6. Step 6: Final answer
    x = 3,130.51

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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.