Home / 7,387.77-11,083.29-2,458.11

Finding the Fourth Proportional to 7,387.77, 11,083.29 and 2,458.11

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Solution

The fourth proportional to 7,387.77, 11,083.29 and 2,458.11 is: 3,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.77 : 11,083.29 = 2,458.11 : x
  2. Step 2: Convert to fraction form
    7,387.77/11,083.29 = 2,458.11/x
  3. Step 3: Cross multiply
    7,387.77x = 11,083.29 × 2,458.11
  4. Step 4: Simplify right side
    7,387.77x = 27,243,945.98
  5. Step 5: Solve for x
    x = 27,243,945.98/7,387.77
  6. Step 6: Final answer
    x = 3,687.71

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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.