Home / 3,446.22-4,753.82-2,118.99

Finding the Fourth Proportional to 3,446.22, 4,753.82 and 2,118.99

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Solution

The fourth proportional to 3,446.22, 4,753.82 and 2,118.99 is: 2,922.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.22 : 4,753.82 = 2,118.99 : x
  2. Step 2: Convert to fraction form
    3,446.22/4,753.82 = 2,118.99/x
  3. Step 3: Cross multiply
    3,446.22x = 4,753.82 × 2,118.99
  4. Step 4: Simplify right side
    3,446.22x = 10,073,293.43
  5. Step 5: Solve for x
    x = 10,073,293.43/3,446.22
  6. Step 6: Final answer
    x = 2,922.99

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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.