Home / 5,589.60-8,382.78-2,126.04

Finding the Fourth Proportional to 5,589.60, 8,382.78 and 2,126.04

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Solution

The fourth proportional to 5,589.60, 8,382.78 and 2,126.04 is: 3,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.60 : 8,382.78 = 2,126.04 : x
  2. Step 2: Convert to fraction form
    5,589.60/8,382.78 = 2,126.04/x
  3. Step 3: Cross multiply
    5,589.60x = 8,382.78 × 2,126.04
  4. Step 4: Simplify right side
    5,589.60x = 17,822,125.59
  5. Step 5: Solve for x
    x = 17,822,125.59/5,589.60
  6. Step 6: Final answer
    x = 3,188.44

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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.