Home / 5,057.17-7,589-2,458.69

Finding the Fourth Proportional to 5,057.17, 7,589 and 2,458.69

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Solution

The fourth proportional to 5,057.17, 7,589 and 2,458.69 is: 3,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.17 : 7,589 = 2,458.69 : x
  2. Step 2: Convert to fraction form
    5,057.17/7,589 = 2,458.69/x
  3. Step 3: Cross multiply
    5,057.17x = 7,589 × 2,458.69
  4. Step 4: Simplify right side
    5,057.17x = 18,658,998.41
  5. Step 5: Solve for x
    x = 18,658,998.41/5,057.17
  6. Step 6: Final answer
    x = 3,689.61

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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.