Home / 5,029.20-7,540.74-2,255.36

Finding the Fourth Proportional to 5,029.20, 7,540.74 and 2,255.36

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Solution

The fourth proportional to 5,029.20, 7,540.74 and 2,255.36 is: 3,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.20 : 7,540.74 = 2,255.36 : x
  2. Step 2: Convert to fraction form
    5,029.20/7,540.74 = 2,255.36/x
  3. Step 3: Cross multiply
    5,029.20x = 7,540.74 × 2,255.36
  4. Step 4: Simplify right side
    5,029.20x = 17,007,045.66
  5. Step 5: Solve for x
    x = 17,007,045.66/5,029.20
  6. Step 6: Final answer
    x = 3,381.66

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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.