Home / 3,207.32-4,421.18-2,260.42

Finding the Fourth Proportional to 3,207.32, 4,421.18 and 2,260.42

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Solution

The fourth proportional to 3,207.32, 4,421.18 and 2,260.42 is: 3,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.32 : 4,421.18 = 2,260.42 : x
  2. Step 2: Convert to fraction form
    3,207.32/4,421.18 = 2,260.42/x
  3. Step 3: Cross multiply
    3,207.32x = 4,421.18 × 2,260.42
  4. Step 4: Simplify right side
    3,207.32x = 9,993,723.70
  5. Step 5: Solve for x
    x = 9,993,723.70/3,207.32
  6. Step 6: Final answer
    x = 3,115.91

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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.