Home / 3,944.20-5,915.73-1,170.76

Finding the Fourth Proportional to 3,944.20, 5,915.73 and 1,170.76

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Solution

The fourth proportional to 3,944.20, 5,915.73 and 1,170.76 is: 1,755.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.20 : 5,915.73 = 1,170.76 : x
  2. Step 2: Convert to fraction form
    3,944.20/5,915.73 = 1,170.76/x
  3. Step 3: Cross multiply
    3,944.20x = 5,915.73 × 1,170.76
  4. Step 4: Simplify right side
    3,944.20x = 6,925,900.05
  5. Step 5: Solve for x
    x = 6,925,900.05/3,944.20
  6. Step 6: Final answer
    x = 1,755.97

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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.