Home / 5,540.13-8,306.21-2,865.11

Finding the Fourth Proportional to 5,540.13, 8,306.21 and 2,865.11

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Solution

The fourth proportional to 5,540.13, 8,306.21 and 2,865.11 is: 4,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.13 : 8,306.21 = 2,865.11 : x
  2. Step 2: Convert to fraction form
    5,540.13/8,306.21 = 2,865.11/x
  3. Step 3: Cross multiply
    5,540.13x = 8,306.21 × 2,865.11
  4. Step 4: Simplify right side
    5,540.13x = 23,798,170.96
  5. Step 5: Solve for x
    x = 23,798,170.96/5,540.13
  6. Step 6: Final answer
    x = 4,295.60

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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.