Home / 3,966.66-5,473.89-2,198.16

Finding the Fourth Proportional to 3,966.66, 5,473.89 and 2,198.16

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Solution

The fourth proportional to 3,966.66, 5,473.89 and 2,198.16 is: 3,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.66 : 5,473.89 = 2,198.16 : x
  2. Step 2: Convert to fraction form
    3,966.66/5,473.89 = 2,198.16/x
  3. Step 3: Cross multiply
    3,966.66x = 5,473.89 × 2,198.16
  4. Step 4: Simplify right side
    3,966.66x = 12,032,486.04
  5. Step 5: Solve for x
    x = 12,032,486.04/3,966.66
  6. Step 6: Final answer
    x = 3,033.40

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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.