Home / 3,961.14-5,465.22-2,841.90

Finding the Fourth Proportional to 3,961.14, 5,465.22 and 2,841.90

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Solution

The fourth proportional to 3,961.14, 5,465.22 and 2,841.90 is: 3,920.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.14 : 5,465.22 = 2,841.90 : x
  2. Step 2: Convert to fraction form
    3,961.14/5,465.22 = 2,841.90/x
  3. Step 3: Cross multiply
    3,961.14x = 5,465.22 × 2,841.90
  4. Step 4: Simplify right side
    3,961.14x = 15,531,608.72
  5. Step 5: Solve for x
    x = 15,531,608.72/3,961.14
  6. Step 6: Final answer
    x = 3,920.99

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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.