Home / 3,966.81-5,473.96-2,198.26

Finding the Fourth Proportional to 3,966.81, 5,473.96 and 2,198.26

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Solution

The fourth proportional to 3,966.81, 5,473.96 and 2,198.26 is: 3,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.81 : 5,473.96 = 2,198.26 : x
  2. Step 2: Convert to fraction form
    3,966.81/5,473.96 = 2,198.26/x
  3. Step 3: Cross multiply
    3,966.81x = 5,473.96 × 2,198.26
  4. Step 4: Simplify right side
    3,966.81x = 12,033,187.31
  5. Step 5: Solve for x
    x = 12,033,187.31/3,966.81
  6. Step 6: Final answer
    x = 3,033.47

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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.