Home / 4,135.38-6,198.03-2,025.78

Finding the Fourth Proportional to 4,135.38, 6,198.03 and 2,025.78

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Solution

The fourth proportional to 4,135.38, 6,198.03 and 2,025.78 is: 3,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.38 : 6,198.03 = 2,025.78 : x
  2. Step 2: Convert to fraction form
    4,135.38/6,198.03 = 2,025.78/x
  3. Step 3: Cross multiply
    4,135.38x = 6,198.03 × 2,025.78
  4. Step 4: Simplify right side
    4,135.38x = 12,555,845.21
  5. Step 5: Solve for x
    x = 12,555,845.21/4,135.38
  6. Step 6: Final answer
    x = 3,036.20

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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.