Home / 3,657.68-5,486.66-1,192.52

Finding the Fourth Proportional to 3,657.68, 5,486.66 and 1,192.52

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Solution

The fourth proportional to 3,657.68, 5,486.66 and 1,192.52 is: 1,788.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.68 : 5,486.66 = 1,192.52 : x
  2. Step 2: Convert to fraction form
    3,657.68/5,486.66 = 1,192.52/x
  3. Step 3: Cross multiply
    3,657.68x = 5,486.66 × 1,192.52
  4. Step 4: Simplify right side
    3,657.68x = 6,542,951.78
  5. Step 5: Solve for x
    x = 6,542,951.78/3,657.68
  6. Step 6: Final answer
    x = 1,788.83

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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.