Home / 5,879.20-8,112.94-3,226.60

Finding the Fourth Proportional to 5,879.20, 8,112.94 and 3,226.60

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Solution

The fourth proportional to 5,879.20, 8,112.94 and 3,226.60 is: 4,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.20 : 8,112.94 = 3,226.60 : x
  2. Step 2: Convert to fraction form
    5,879.20/8,112.94 = 3,226.60/x
  3. Step 3: Cross multiply
    5,879.20x = 8,112.94 × 3,226.60
  4. Step 4: Simplify right side
    5,879.20x = 26,177,212.20
  5. Step 5: Solve for x
    x = 26,177,212.20/5,879.20
  6. Step 6: Final answer
    x = 4,452.51

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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.