Home / 3,966.44-5,474.00-2,198.21

Finding the Fourth Proportional to 3,966.44, 5,474.00 and 2,198.21

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Solution

The fourth proportional to 3,966.44, 5,474.00 and 2,198.21 is: 3,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.44 : 5,474.00 = 2,198.21 : x
  2. Step 2: Convert to fraction form
    3,966.44/5,474.00 = 2,198.21/x
  3. Step 3: Cross multiply
    3,966.44x = 5,474.00 × 2,198.21
  4. Step 4: Simplify right side
    3,966.44x = 12,032,990.55
  5. Step 5: Solve for x
    x = 12,032,990.55/3,966.44
  6. Step 6: Final answer
    x = 3,033.70

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1.5x scale

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.