Home / 6,242.82-9,364.79-2,731.78

Finding the Fourth Proportional to 6,242.82, 9,364.79 and 2,731.78

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Solution

The fourth proportional to 6,242.82, 9,364.79 and 2,731.78 is: 4,097.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.82 : 9,364.79 = 2,731.78 : x
  2. Step 2: Convert to fraction form
    6,242.82/9,364.79 = 2,731.78/x
  3. Step 3: Cross multiply
    6,242.82x = 9,364.79 × 2,731.78
  4. Step 4: Simplify right side
    6,242.82x = 25,582,546.03
  5. Step 5: Solve for x
    x = 25,582,546.03/6,242.82
  6. Step 6: Final answer
    x = 4,097.92

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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.