Home / 7,385.31-11,077.97-3,001.74

Finding the Fourth Proportional to 7,385.31, 11,077.97 and 3,001.74

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Solution

The fourth proportional to 7,385.31, 11,077.97 and 3,001.74 is: 4,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.31 : 11,077.97 = 3,001.74 : x
  2. Step 2: Convert to fraction form
    7,385.31/11,077.97 = 3,001.74/x
  3. Step 3: Cross multiply
    7,385.31x = 11,077.97 × 3,001.74
  4. Step 4: Simplify right side
    7,385.31x = 33,253,170.66
  5. Step 5: Solve for x
    x = 33,253,170.66/7,385.31
  6. Step 6: Final answer
    x = 4,502.61

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1.5x scale

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.