Home / 3,226.92-4,456.20-3,106.56

Finding the Fourth Proportional to 3,226.92, 4,456.20 and 3,106.56

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Solution

The fourth proportional to 3,226.92, 4,456.20 and 3,106.56 is: 4,289.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.92 : 4,456.20 = 3,106.56 : x
  2. Step 2: Convert to fraction form
    3,226.92/4,456.20 = 3,106.56/x
  3. Step 3: Cross multiply
    3,226.92x = 4,456.20 × 3,106.56
  4. Step 4: Simplify right side
    3,226.92x = 13,843,452.67
  5. Step 5: Solve for x
    x = 13,843,452.67/3,226.92
  6. Step 6: Final answer
    x = 4,289.99

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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.