Home / 5,540.66-8,310.96-2,253.72

Finding the Fourth Proportional to 5,540.66, 8,310.96 and 2,253.72

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Solution

The fourth proportional to 5,540.66, 8,310.96 and 2,253.72 is: 3,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.66 : 8,310.96 = 2,253.72 : x
  2. Step 2: Convert to fraction form
    5,540.66/8,310.96 = 2,253.72/x
  3. Step 3: Cross multiply
    5,540.66x = 8,310.96 × 2,253.72
  4. Step 4: Simplify right side
    5,540.66x = 18,730,576.77
  5. Step 5: Solve for x
    x = 18,730,576.77/5,540.66
  6. Step 6: Final answer
    x = 3,380.57

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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.