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Finding the Fourth Proportional to 2,591.39, 3,889.02 and 1,494.29

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Solution

The fourth proportional to 2,591.39, 3,889.02 and 1,494.29 is: 2,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.39 : 3,889.02 = 1,494.29 : x
  2. Step 2: Convert to fraction form
    2,591.39/3,889.02 = 1,494.29/x
  3. Step 3: Cross multiply
    2,591.39x = 3,889.02 × 1,494.29
  4. Step 4: Simplify right side
    2,591.39x = 5,811,323.70
  5. Step 5: Solve for x
    x = 5,811,323.70/2,591.39
  6. Step 6: Final answer
    x = 2,242.55

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