Home / 6,721.23-10,082.49-1,791.17

Finding the Fourth Proportional to 6,721.23, 10,082.49 and 1,791.17

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Solution

The fourth proportional to 6,721.23, 10,082.49 and 1,791.17 is: 2,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.23 : 10,082.49 = 1,791.17 : x
  2. Step 2: Convert to fraction form
    6,721.23/10,082.49 = 1,791.17/x
  3. Step 3: Cross multiply
    6,721.23x = 10,082.49 × 1,791.17
  4. Step 4: Simplify right side
    6,721.23x = 18,059,453.61
  5. Step 5: Solve for x
    x = 18,059,453.61/6,721.23
  6. Step 6: Final answer
    x = 2,686.93

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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.