Home / 3,027.66-4,177.62-2,281.38

Finding the Fourth Proportional to 3,027.66, 4,177.62 and 2,281.38

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Solution

The fourth proportional to 3,027.66, 4,177.62 and 2,281.38 is: 3,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.66 : 4,177.62 = 2,281.38 : x
  2. Step 2: Convert to fraction form
    3,027.66/4,177.62 = 2,281.38/x
  3. Step 3: Cross multiply
    3,027.66x = 4,177.62 × 2,281.38
  4. Step 4: Simplify right side
    3,027.66x = 9,530,738.72
  5. Step 5: Solve for x
    x = 9,530,738.72/3,027.66
  6. Step 6: Final answer
    x = 3,147.89

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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.