Home / 3,801.11-5,245.56-2,186.28

Finding the Fourth Proportional to 3,801.11, 5,245.56 and 2,186.28

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Solution

The fourth proportional to 3,801.11, 5,245.56 and 2,186.28 is: 3,017.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.11 : 5,245.56 = 2,186.28 : x
  2. Step 2: Convert to fraction form
    3,801.11/5,245.56 = 2,186.28/x
  3. Step 3: Cross multiply
    3,801.11x = 5,245.56 × 2,186.28
  4. Step 4: Simplify right side
    3,801.11x = 11,468,262.92
  5. Step 5: Solve for x
    x = 11,468,262.92/3,801.11
  6. Step 6: Final answer
    x = 3,017.09

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Double scale
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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.