Home / 3,992.44-5,500.56-2,942.68

Finding the Fourth Proportional to 3,992.44, 5,500.56 and 2,942.68

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Solution

The fourth proportional to 3,992.44, 5,500.56 and 2,942.68 is: 4,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.44 : 5,500.56 = 2,942.68 : x
  2. Step 2: Convert to fraction form
    3,992.44/5,500.56 = 2,942.68/x
  3. Step 3: Cross multiply
    3,992.44x = 5,500.56 × 2,942.68
  4. Step 4: Simplify right side
    3,992.44x = 16,186,387.90
  5. Step 5: Solve for x
    x = 16,186,387.90/3,992.44
  6. Step 6: Final answer
    x = 4,054.26

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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.