Home / 5,711.88-8,569.34-2,425.16

Finding the Fourth Proportional to 5,711.88, 8,569.34 and 2,425.16

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Solution

The fourth proportional to 5,711.88, 8,569.34 and 2,425.16 is: 3,638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.88 : 8,569.34 = 2,425.16 : x
  2. Step 2: Convert to fraction form
    5,711.88/8,569.34 = 2,425.16/x
  3. Step 3: Cross multiply
    5,711.88x = 8,569.34 × 2,425.16
  4. Step 4: Simplify right side
    5,711.88x = 20,782,020.59
  5. Step 5: Solve for x
    x = 20,782,020.59/5,711.88
  6. Step 6: Final answer
    x = 3,638.39

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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.