Home / 5,765.31-7,956.18-3,247.43

Finding the Fourth Proportional to 5,765.31, 7,956.18 and 3,247.43

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Solution

The fourth proportional to 5,765.31, 7,956.18 and 3,247.43 is: 4,481.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.31 : 7,956.18 = 3,247.43 : x
  2. Step 2: Convert to fraction form
    5,765.31/7,956.18 = 3,247.43/x
  3. Step 3: Cross multiply
    5,765.31x = 7,956.18 × 3,247.43
  4. Step 4: Simplify right side
    5,765.31x = 25,837,097.84
  5. Step 5: Solve for x
    x = 25,837,097.84/5,765.31
  6. Step 6: Final answer
    x = 4,481.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.