Home / 7,761.22-11,634.24-3,079.66

Finding the Fourth Proportional to 7,761.22, 11,634.24 and 3,079.66

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Solution

The fourth proportional to 7,761.22, 11,634.24 and 3,079.66 is: 4,616.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.22 : 11,634.24 = 3,079.66 : x
  2. Step 2: Convert to fraction form
    7,761.22/11,634.24 = 3,079.66/x
  3. Step 3: Cross multiply
    7,761.22x = 11,634.24 × 3,079.66
  4. Step 4: Simplify right side
    7,761.22x = 35,829,503.56
  5. Step 5: Solve for x
    x = 35,829,503.56/7,761.22
  6. Step 6: Final answer
    x = 4,616.48

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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.