Home / 3,228.33-4,454.55-1,968.96

Finding the Fourth Proportional to 3,228.33, 4,454.55 and 1,968.96

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Solution

The fourth proportional to 3,228.33, 4,454.55 and 1,968.96 is: 2,716.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.33 : 4,454.55 = 1,968.96 : x
  2. Step 2: Convert to fraction form
    3,228.33/4,454.55 = 1,968.96/x
  3. Step 3: Cross multiply
    3,228.33x = 4,454.55 × 1,968.96
  4. Step 4: Simplify right side
    3,228.33x = 8,770,830.77
  5. Step 5: Solve for x
    x = 8,770,830.77/3,228.33
  6. Step 6: Final answer
    x = 2,716.83

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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.