Home / 5,712.31-8,569.15-2,013.77

Finding the Fourth Proportional to 5,712.31, 8,569.15 and 2,013.77

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Solution

The fourth proportional to 5,712.31, 8,569.15 and 2,013.77 is: 3,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.31 : 8,569.15 = 2,013.77 : x
  2. Step 2: Convert to fraction form
    5,712.31/8,569.15 = 2,013.77/x
  3. Step 3: Cross multiply
    5,712.31x = 8,569.15 × 2,013.77
  4. Step 4: Simplify right side
    5,712.31x = 17,256,297.20
  5. Step 5: Solve for x
    x = 17,256,297.20/5,712.31
  6. Step 6: Final answer
    x = 3,020.90

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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.