Home / 3,992.52-5,989.86-2,262.36

Finding the Fourth Proportional to 3,992.52, 5,989.86 and 2,262.36

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Solution

The fourth proportional to 3,992.52, 5,989.86 and 2,262.36 is: 3,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.52 : 5,989.86 = 2,262.36 : x
  2. Step 2: Convert to fraction form
    3,992.52/5,989.86 = 2,262.36/x
  3. Step 3: Cross multiply
    3,992.52x = 5,989.86 × 2,262.36
  4. Step 4: Simplify right side
    3,992.52x = 13,551,219.67
  5. Step 5: Solve for x
    x = 13,551,219.67/3,992.52
  6. Step 6: Final answer
    x = 3,394.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.