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Finding the Fourth Proportional to 2,593.88, 3,887.17 and 1,129.95

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Solution

The fourth proportional to 2,593.88, 3,887.17 and 1,129.95 is: 1,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593.88 : 3,887.17 = 1,129.95 : x
  2. Step 2: Convert to fraction form
    2,593.88/3,887.17 = 1,129.95/x
  3. Step 3: Cross multiply
    2,593.88x = 3,887.17 × 1,129.95
  4. Step 4: Simplify right side
    2,593.88x = 4,392,307.74
  5. Step 5: Solve for x
    x = 4,392,307.74/2,593.88
  6. Step 6: Final answer
    x = 1,693.33

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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.