Home / 3,768.73-5,198.24-2,587.75

Finding the Fourth Proportional to 3,768.73, 5,198.24 and 2,587.75

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Solution

The fourth proportional to 3,768.73, 5,198.24 and 2,587.75 is: 3,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.73 : 5,198.24 = 2,587.75 : x
  2. Step 2: Convert to fraction form
    3,768.73/5,198.24 = 2,587.75/x
  3. Step 3: Cross multiply
    3,768.73x = 5,198.24 × 2,587.75
  4. Step 4: Simplify right side
    3,768.73x = 13,451,739.03
  5. Step 5: Solve for x
    x = 13,451,739.03/3,768.73
  6. Step 6: Final answer
    x = 3,569.31

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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.