Home / 3,862.77-5,761.68-3,508.02

Finding the Fourth Proportional to 3,862.77, 5,761.68 and 3,508.02

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Solution

The fourth proportional to 3,862.77, 5,761.68 and 3,508.02 is: 5,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.77 : 5,761.68 = 3,508.02 : x
  2. Step 2: Convert to fraction form
    3,862.77/5,761.68 = 3,508.02/x
  3. Step 3: Cross multiply
    3,862.77x = 5,761.68 × 3,508.02
  4. Step 4: Simplify right side
    3,862.77x = 20,212,124.66
  5. Step 5: Solve for x
    x = 20,212,124.66/3,862.77
  6. Step 6: Final answer
    x = 5,232.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.