Home / 5,029.20-7,540.77-2,255.37

Finding the Fourth Proportional to 5,029.20, 7,540.77 and 2,255.37

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Solution

The fourth proportional to 5,029.20, 7,540.77 and 2,255.37 is: 3,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.20 : 7,540.77 = 2,255.37 : x
  2. Step 2: Convert to fraction form
    5,029.20/7,540.77 = 2,255.37/x
  3. Step 3: Cross multiply
    5,029.20x = 7,540.77 × 2,255.37
  4. Step 4: Simplify right side
    5,029.20x = 17,007,226.43
  5. Step 5: Solve for x
    x = 17,007,226.43/5,029.20
  6. Step 6: Final answer
    x = 3,381.70

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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.