Home / 5,540.49-8,311.37-2,253.65

Finding the Fourth Proportional to 5,540.49, 8,311.37 and 2,253.65

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Solution

The fourth proportional to 5,540.49, 8,311.37 and 2,253.65 is: 3,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.49 : 8,311.37 = 2,253.65 : x
  2. Step 2: Convert to fraction form
    5,540.49/8,311.37 = 2,253.65/x
  3. Step 3: Cross multiply
    5,540.49x = 8,311.37 × 2,253.65
  4. Step 4: Simplify right side
    5,540.49x = 18,730,866.18
  5. Step 5: Solve for x
    x = 18,730,866.18/5,540.49
  6. Step 6: Final answer
    x = 3,380.72

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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.