Home / 3,966.49-5,473.97-2,198.05

Finding the Fourth Proportional to 3,966.49, 5,473.97 and 2,198.05

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Solution

The fourth proportional to 3,966.49, 5,473.97 and 2,198.05 is: 3,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.49 : 5,473.97 = 2,198.05 : x
  2. Step 2: Convert to fraction form
    3,966.49/5,473.97 = 2,198.05/x
  3. Step 3: Cross multiply
    3,966.49x = 5,473.97 × 2,198.05
  4. Step 4: Simplify right side
    3,966.49x = 12,032,083.37
  5. Step 5: Solve for x
    x = 12,032,083.37/3,966.49
  6. Step 6: Final answer
    x = 3,033.44

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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.