Home / 3,961.11-5,465.88-2,192.70

Finding the Fourth Proportional to 3,961.11, 5,465.88 and 2,192.70

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Solution

The fourth proportional to 3,961.11, 5,465.88 and 2,192.70 is: 3,025.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.11 : 5,465.88 = 2,192.70 : x
  2. Step 2: Convert to fraction form
    3,961.11/5,465.88 = 2,192.70/x
  3. Step 3: Cross multiply
    3,961.11x = 5,465.88 × 2,192.70
  4. Step 4: Simplify right side
    3,961.11x = 11,985,035.08
  5. Step 5: Solve for x
    x = 11,985,035.08/3,961.11
  6. Step 6: Final answer
    x = 3,025.68

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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.