Home / 7,927.74-11,892.36-2,305.56

Finding the Fourth Proportional to 7,927.74, 11,892.36 and 2,305.56

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Solution

The fourth proportional to 7,927.74, 11,892.36 and 2,305.56 is: 3,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.74 : 11,892.36 = 2,305.56 : x
  2. Step 2: Convert to fraction form
    7,927.74/11,892.36 = 2,305.56/x
  3. Step 3: Cross multiply
    7,927.74x = 11,892.36 × 2,305.56
  4. Step 4: Simplify right side
    7,927.74x = 27,418,549.52
  5. Step 5: Solve for x
    x = 27,418,549.52/7,927.74
  6. Step 6: Final answer
    x = 3,458.56

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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.