Home / 3,800.82-5,246.38-2,228.88

Finding the Fourth Proportional to 3,800.82, 5,246.38 and 2,228.88

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Solution

The fourth proportional to 3,800.82, 5,246.38 and 2,228.88 is: 3,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.82 : 5,246.38 = 2,228.88 : x
  2. Step 2: Convert to fraction form
    3,800.82/5,246.38 = 2,228.88/x
  3. Step 3: Cross multiply
    3,800.82x = 5,246.38 × 2,228.88
  4. Step 4: Simplify right side
    3,800.82x = 11,693,551.45
  5. Step 5: Solve for x
    x = 11,693,551.45/3,800.82
  6. Step 6: Final answer
    x = 3,076.59

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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.