Home / 3,765.29-5,195.44-2,171.56

Finding the Fourth Proportional to 3,765.29, 5,195.44 and 2,171.56

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Solution

The fourth proportional to 3,765.29, 5,195.44 and 2,171.56 is: 2,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.29 : 5,195.44 = 2,171.56 : x
  2. Step 2: Convert to fraction form
    3,765.29/5,195.44 = 2,171.56/x
  3. Step 3: Cross multiply
    3,765.29x = 5,195.44 × 2,171.56
  4. Step 4: Simplify right side
    3,765.29x = 11,282,209.15
  5. Step 5: Solve for x
    x = 11,282,209.15/3,765.29
  6. Step 6: Final answer
    x = 2,996.38

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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.