Home / 3,966.74-5,474.05-2,198.33

Finding the Fourth Proportional to 3,966.74, 5,474.05 and 2,198.33

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Solution

The fourth proportional to 3,966.74, 5,474.05 and 2,198.33 is: 3,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.74 : 5,474.05 = 2,198.33 : x
  2. Step 2: Convert to fraction form
    3,966.74/5,474.05 = 2,198.33/x
  3. Step 3: Cross multiply
    3,966.74x = 5,474.05 × 2,198.33
  4. Step 4: Simplify right side
    3,966.74x = 12,033,735.47
  5. Step 5: Solve for x
    x = 12,033,735.47/3,966.74
  6. Step 6: Final answer
    x = 3,033.66

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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.