Home / 2,219.82-3,324.87-1,758.12

Finding the Fourth Proportional to 2,219.82, 3,324.87 and 1,758.12

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Solution

The fourth proportional to 2,219.82, 3,324.87 and 1,758.12 is: 2,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.82 : 3,324.87 = 1,758.12 : x
  2. Step 2: Convert to fraction form
    2,219.82/3,324.87 = 1,758.12/x
  3. Step 3: Cross multiply
    2,219.82x = 3,324.87 × 1,758.12
  4. Step 4: Simplify right side
    2,219.82x = 5,845,520.44
  5. Step 5: Solve for x
    x = 5,845,520.44/2,219.82
  6. Step 6: Final answer
    x = 2,633.33

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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.