Home / 5,920.39-8,170.27-3,267.97

Finding the Fourth Proportional to 5,920.39, 8,170.27 and 3,267.97

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Solution

The fourth proportional to 5,920.39, 8,170.27 and 3,267.97 is: 4,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.39 : 8,170.27 = 3,267.97 : x
  2. Step 2: Convert to fraction form
    5,920.39/8,170.27 = 3,267.97/x
  3. Step 3: Cross multiply
    5,920.39x = 8,170.27 × 3,267.97
  4. Step 4: Simplify right side
    5,920.39x = 26,700,191.64
  5. Step 5: Solve for x
    x = 26,700,191.64/5,920.39
  6. Step 6: Final answer
    x = 4,509.87

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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.