Home / 7,162.38-10,739.94-2,481.90

Finding the Fourth Proportional to 7,162.38, 10,739.94 and 2,481.90

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Solution

The fourth proportional to 7,162.38, 10,739.94 and 2,481.90 is: 3,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.38 : 10,739.94 = 2,481.90 : x
  2. Step 2: Convert to fraction form
    7,162.38/10,739.94 = 2,481.90/x
  3. Step 3: Cross multiply
    7,162.38x = 10,739.94 × 2,481.90
  4. Step 4: Simplify right side
    7,162.38x = 26,655,457.09
  5. Step 5: Solve for x
    x = 26,655,457.09/7,162.38
  6. Step 6: Final answer
    x = 3,721.59

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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.