Home / 3,766.15-5,198.38-2,273.81

Finding the Fourth Proportional to 3,766.15, 5,198.38 and 2,273.81

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Solution

The fourth proportional to 3,766.15, 5,198.38 and 2,273.81 is: 3,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.15 : 5,198.38 = 2,273.81 : x
  2. Step 2: Convert to fraction form
    3,766.15/5,198.38 = 2,273.81/x
  3. Step 3: Cross multiply
    3,766.15x = 5,198.38 × 2,273.81
  4. Step 4: Simplify right side
    3,766.15x = 11,820,135.74
  5. Step 5: Solve for x
    x = 11,820,135.74/3,766.15
  6. Step 6: Final answer
    x = 3,138.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.