Home / 3,873.15-5,343.81-2,194.52

Finding the Fourth Proportional to 3,873.15, 5,343.81 and 2,194.52

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Solution

The fourth proportional to 3,873.15, 5,343.81 and 2,194.52 is: 3,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.15 : 5,343.81 = 2,194.52 : x
  2. Step 2: Convert to fraction form
    3,873.15/5,343.81 = 2,194.52/x
  3. Step 3: Cross multiply
    3,873.15x = 5,343.81 × 2,194.52
  4. Step 4: Simplify right side
    3,873.15x = 11,727,100.31
  5. Step 5: Solve for x
    x = 11,727,100.31/3,873.15
  6. Step 6: Final answer
    x = 3,027.79

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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.