Home / 7,174.89-10,761.53-2,494.11

Finding the Fourth Proportional to 7,174.89, 10,761.53 and 2,494.11

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Solution

The fourth proportional to 7,174.89, 10,761.53 and 2,494.11 is: 3,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.89 : 10,761.53 = 2,494.11 : x
  2. Step 2: Convert to fraction form
    7,174.89/10,761.53 = 2,494.11/x
  3. Step 3: Cross multiply
    7,174.89x = 10,761.53 × 2,494.11
  4. Step 4: Simplify right side
    7,174.89x = 26,840,427.12
  5. Step 5: Solve for x
    x = 26,840,427.12/7,174.89
  6. Step 6: Final answer
    x = 3,740.88

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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.