Home / 5,456.27-8,171.96-3,260.50

Finding the Fourth Proportional to 5,456.27, 8,171.96 and 3,260.50

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Solution

The fourth proportional to 5,456.27, 8,171.96 and 3,260.50 is: 4,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.27 : 8,171.96 = 3,260.50 : x
  2. Step 2: Convert to fraction form
    5,456.27/8,171.96 = 3,260.50/x
  3. Step 3: Cross multiply
    5,456.27x = 8,171.96 × 3,260.50
  4. Step 4: Simplify right side
    5,456.27x = 26,644,638.85
  5. Step 5: Solve for x
    x = 26,644,638.85/5,456.27
  6. Step 6: Final answer
    x = 4,883.30

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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.