Home / 3,524.75-5,311.89-3,173.78

Finding the Fourth Proportional to 3,524.75, 5,311.89 and 3,173.78

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Solution

The fourth proportional to 3,524.75, 5,311.89 and 3,173.78 is: 4,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,524.75 : 5,311.89 = 3,173.78 : x
  2. Step 2: Convert to fraction form
    3,524.75/5,311.89 = 3,173.78/x
  3. Step 3: Cross multiply
    3,524.75x = 5,311.89 × 3,173.78
  4. Step 4: Simplify right side
    3,524.75x = 16,858,778.18
  5. Step 5: Solve for x
    x = 16,858,778.18/3,524.75
  6. Step 6: Final answer
    x = 4,782.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.