Home / 5,167.26-7,753.41-2,568.78

Finding the Fourth Proportional to 5,167.26, 7,753.41 and 2,568.78

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Solution

The fourth proportional to 5,167.26, 7,753.41 and 2,568.78 is: 3,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.26 : 7,753.41 = 2,568.78 : x
  2. Step 2: Convert to fraction form
    5,167.26/7,753.41 = 2,568.78/x
  3. Step 3: Cross multiply
    5,167.26x = 7,753.41 × 2,568.78
  4. Step 4: Simplify right side
    5,167.26x = 19,916,804.54
  5. Step 5: Solve for x
    x = 19,916,804.54/5,167.26
  6. Step 6: Final answer
    x = 3,854.42

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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.