Home / 5,712.72-8,567.88-2,201.52

Finding the Fourth Proportional to 5,712.72, 8,567.88 and 2,201.52

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Solution

The fourth proportional to 5,712.72, 8,567.88 and 2,201.52 is: 3,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.72 : 8,567.88 = 2,201.52 : x
  2. Step 2: Convert to fraction form
    5,712.72/8,567.88 = 2,201.52/x
  3. Step 3: Cross multiply
    5,712.72x = 8,567.88 × 2,201.52
  4. Step 4: Simplify right side
    5,712.72x = 18,862,359.18
  5. Step 5: Solve for x
    x = 18,862,359.18/5,712.72
  6. Step 6: Final answer
    x = 3,301.82

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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.