Home / 3,861.27-5,791.91-2,216.77

Finding the Fourth Proportional to 3,861.27, 5,791.91 and 2,216.77

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Solution

The fourth proportional to 3,861.27, 5,791.91 and 2,216.77 is: 3,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.27 : 5,791.91 = 2,216.77 : x
  2. Step 2: Convert to fraction form
    3,861.27/5,791.91 = 2,216.77/x
  3. Step 3: Cross multiply
    3,861.27x = 5,791.91 × 2,216.77
  4. Step 4: Simplify right side
    3,861.27x = 12,839,306.77
  5. Step 5: Solve for x
    x = 12,839,306.77/3,861.27
  6. Step 6: Final answer
    x = 3,325.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.