Home / 3,966.86-5,473.82-2,198.02

Finding the Fourth Proportional to 3,966.86, 5,473.82 and 2,198.02

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Solution

The fourth proportional to 3,966.86, 5,473.82 and 2,198.02 is: 3,033.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.86 : 5,473.82 = 2,198.02 : x
  2. Step 2: Convert to fraction form
    3,966.86/5,473.82 = 2,198.02/x
  3. Step 3: Cross multiply
    3,966.86x = 5,473.82 × 2,198.02
  4. Step 4: Simplify right side
    3,966.86x = 12,031,565.84
  5. Step 5: Solve for x
    x = 12,031,565.84/3,966.86
  6. Step 6: Final answer
    x = 3,033.02

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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.