Home / 3,873.24-5,345.15-2,194.61

Finding the Fourth Proportional to 3,873.24, 5,345.15 and 2,194.61

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Solution

The fourth proportional to 3,873.24, 5,345.15 and 2,194.61 is: 3,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.24 : 5,345.15 = 2,194.61 : x
  2. Step 2: Convert to fraction form
    3,873.24/5,345.15 = 2,194.61/x
  3. Step 3: Cross multiply
    3,873.24x = 5,345.15 × 2,194.61
  4. Step 4: Simplify right side
    3,873.24x = 11,730,481.94
  5. Step 5: Solve for x
    x = 11,730,481.94/3,873.24
  6. Step 6: Final answer
    x = 3,028.60

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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.