Home / 3,961.72-5,466.92-2,193.22

Finding the Fourth Proportional to 3,961.72, 5,466.92 and 2,193.22

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Solution

The fourth proportional to 3,961.72, 5,466.92 and 2,193.22 is: 3,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.72 : 5,466.92 = 2,193.22 : x
  2. Step 2: Convert to fraction form
    3,961.72/5,466.92 = 2,193.22/x
  3. Step 3: Cross multiply
    3,961.72x = 5,466.92 × 2,193.22
  4. Step 4: Simplify right side
    3,961.72x = 11,990,158.28
  5. Step 5: Solve for x
    x = 11,990,158.28/3,961.72
  6. Step 6: Final answer
    x = 3,026.50

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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.