Home / 4,079.29-6,116.54-2,229.90

Finding the Fourth Proportional to 4,079.29, 6,116.54 and 2,229.90

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Solution

The fourth proportional to 4,079.29, 6,116.54 and 2,229.90 is: 3,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.29 : 6,116.54 = 2,229.90 : x
  2. Step 2: Convert to fraction form
    4,079.29/6,116.54 = 2,229.90/x
  3. Step 3: Cross multiply
    4,079.29x = 6,116.54 × 2,229.90
  4. Step 4: Simplify right side
    4,079.29x = 13,639,296.34
  5. Step 5: Solve for x
    x = 13,639,296.34/4,079.29
  6. Step 6: Final answer
    x = 3,343.55

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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.