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Finding the Fourth Proportional to 2,694.71, 4,040.19 and 1,375.89

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Solution

The fourth proportional to 2,694.71, 4,040.19 and 1,375.89 is: 2,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.71 : 4,040.19 = 1,375.89 : x
  2. Step 2: Convert to fraction form
    2,694.71/4,040.19 = 1,375.89/x
  3. Step 3: Cross multiply
    2,694.71x = 4,040.19 × 1,375.89
  4. Step 4: Simplify right side
    2,694.71x = 5,558,857.02
  5. Step 5: Solve for x
    x = 5,558,857.02/2,694.71
  6. Step 6: Final answer
    x = 2,062.88

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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.