Home / 3,765.06-5,195.68-2,086.43

Finding the Fourth Proportional to 3,765.06, 5,195.68 and 2,086.43

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Solution

The fourth proportional to 3,765.06, 5,195.68 and 2,086.43 is: 2,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.06 : 5,195.68 = 2,086.43 : x
  2. Step 2: Convert to fraction form
    3,765.06/5,195.68 = 2,086.43/x
  3. Step 3: Cross multiply
    3,765.06x = 5,195.68 × 2,086.43
  4. Step 4: Simplify right side
    3,765.06x = 10,840,391.43
  5. Step 5: Solve for x
    x = 10,840,391.43/3,765.06
  6. Step 6: Final answer
    x = 2,879.21

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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.