Home / 3,206.28-4,422.42-2,025.30

Finding the Fourth Proportional to 3,206.28, 4,422.42 and 2,025.30

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Solution

The fourth proportional to 3,206.28, 4,422.42 and 2,025.30 is: 2,793.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.28 : 4,422.42 = 2,025.30 : x
  2. Step 2: Convert to fraction form
    3,206.28/4,422.42 = 2,025.30/x
  3. Step 3: Cross multiply
    3,206.28x = 4,422.42 × 2,025.30
  4. Step 4: Simplify right side
    3,206.28x = 8,956,727.23
  5. Step 5: Solve for x
    x = 8,956,727.23/3,206.28
  6. Step 6: Final answer
    x = 2,793.50

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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.