Home / 5,540.07-8,311.68-2,255.52

Finding the Fourth Proportional to 5,540.07, 8,311.68 and 2,255.52

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Solution

The fourth proportional to 5,540.07, 8,311.68 and 2,255.52 is: 3,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.07 : 8,311.68 = 2,255.52 : x
  2. Step 2: Convert to fraction form
    5,540.07/8,311.68 = 2,255.52/x
  3. Step 3: Cross multiply
    5,540.07x = 8,311.68 × 2,255.52
  4. Step 4: Simplify right side
    5,540.07x = 18,747,160.47
  5. Step 5: Solve for x
    x = 18,747,160.47/5,540.07
  6. Step 6: Final answer
    x = 3,383.92

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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.