Home / 4,321.72-6,481.62-1,723.96

Finding the Fourth Proportional to 4,321.72, 6,481.62 and 1,723.96

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Solution

The fourth proportional to 4,321.72, 6,481.62 and 1,723.96 is: 2,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.72 : 6,481.62 = 1,723.96 : x
  2. Step 2: Convert to fraction form
    4,321.72/6,481.62 = 1,723.96/x
  3. Step 3: Cross multiply
    4,321.72x = 6,481.62 × 1,723.96
  4. Step 4: Simplify right side
    4,321.72x = 11,174,053.62
  5. Step 5: Solve for x
    x = 11,174,053.62/4,321.72
  6. Step 6: Final answer
    x = 2,585.56

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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.