Home / 7,591.31-11,387.22-2,664.38

Finding the Fourth Proportional to 7,591.31, 11,387.22 and 2,664.38

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Solution

The fourth proportional to 7,591.31, 11,387.22 and 2,664.38 is: 3,996.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.31 : 11,387.22 = 2,664.38 : x
  2. Step 2: Convert to fraction form
    7,591.31/11,387.22 = 2,664.38/x
  3. Step 3: Cross multiply
    7,591.31x = 11,387.22 × 2,664.38
  4. Step 4: Simplify right side
    7,591.31x = 30,339,881.22
  5. Step 5: Solve for x
    x = 30,339,881.22/7,591.31
  6. Step 6: Final answer
    x = 3,996.66

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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.