Home / 5,540.80-8,311.20-4,564.48

Finding the Fourth Proportional to 5,540.80, 8,311.20 and 4,564.48

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Solution

The fourth proportional to 5,540.80, 8,311.20 and 4,564.48 is: 6,846.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.80 : 8,311.20 = 4,564.48 : x
  2. Step 2: Convert to fraction form
    5,540.80/8,311.20 = 4,564.48/x
  3. Step 3: Cross multiply
    5,540.80x = 8,311.20 × 4,564.48
  4. Step 4: Simplify right side
    5,540.80x = 37,936,306.18
  5. Step 5: Solve for x
    x = 37,936,306.18/5,540.80
  6. Step 6: Final answer
    x = 6,846.72

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1.5x scale

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.