Home / 3,972.05-5,481.77-2,204.02

Finding the Fourth Proportional to 3,972.05, 5,481.77 and 2,204.02

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Solution

The fourth proportional to 3,972.05, 5,481.77 and 2,204.02 is: 3,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.05 : 5,481.77 = 2,204.02 : x
  2. Step 2: Convert to fraction form
    3,972.05/5,481.77 = 2,204.02/x
  3. Step 3: Cross multiply
    3,972.05x = 5,481.77 × 2,204.02
  4. Step 4: Simplify right side
    3,972.05x = 12,081,926.55
  5. Step 5: Solve for x
    x = 12,081,926.55/3,972.05
  6. Step 6: Final answer
    x = 3,041.74

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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.