Home / 4,112.75-5,675.60-2,249.75

Finding the Fourth Proportional to 4,112.75, 5,675.60 and 2,249.75

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Solution

The fourth proportional to 4,112.75, 5,675.60 and 2,249.75 is: 3,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.75 : 5,675.60 = 2,249.75 : x
  2. Step 2: Convert to fraction form
    4,112.75/5,675.60 = 2,249.75/x
  3. Step 3: Cross multiply
    4,112.75x = 5,675.60 × 2,249.75
  4. Step 4: Simplify right side
    4,112.75x = 12,768,669.85
  5. Step 5: Solve for x
    x = 12,768,669.85/4,112.75
  6. Step 6: Final answer
    x = 3,104.66

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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.