Home / 7,472.27-11,204.66-2,791.49

Finding the Fourth Proportional to 7,472.27, 11,204.66 and 2,791.49

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Solution

The fourth proportional to 7,472.27, 11,204.66 and 2,791.49 is: 4,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.27 : 11,204.66 = 2,791.49 : x
  2. Step 2: Convert to fraction form
    7,472.27/11,204.66 = 2,791.49/x
  3. Step 3: Cross multiply
    7,472.27x = 11,204.66 × 2,791.49
  4. Step 4: Simplify right side
    7,472.27x = 31,277,647.30
  5. Step 5: Solve for x
    x = 31,277,647.30/7,472.27
  6. Step 6: Final answer
    x = 4,185.83

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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.