Home / 3,467.60-5,201.39-1,687.92

Finding the Fourth Proportional to 3,467.60, 5,201.39 and 1,687.92

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Solution

The fourth proportional to 3,467.60, 5,201.39 and 1,687.92 is: 2,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.60 : 5,201.39 = 1,687.92 : x
  2. Step 2: Convert to fraction form
    3,467.60/5,201.39 = 1,687.92/x
  3. Step 3: Cross multiply
    3,467.60x = 5,201.39 × 1,687.92
  4. Step 4: Simplify right side
    3,467.60x = 8,779,521.77
  5. Step 5: Solve for x
    x = 8,779,521.77/3,467.60
  6. Step 6: Final answer
    x = 2,531.88

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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.