Home / 5,709.20-8,562.47-2,198.04

Finding the Fourth Proportional to 5,709.20, 8,562.47 and 2,198.04

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Solution

The fourth proportional to 5,709.20, 8,562.47 and 2,198.04 is: 3,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.20 : 8,562.47 = 2,198.04 : x
  2. Step 2: Convert to fraction form
    5,709.20/8,562.47 = 2,198.04/x
  3. Step 3: Cross multiply
    5,709.20x = 8,562.47 × 2,198.04
  4. Step 4: Simplify right side
    5,709.20x = 18,820,640.57
  5. Step 5: Solve for x
    x = 18,820,640.57/5,709.20
  6. Step 6: Final answer
    x = 3,296.55

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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.