Home / 3,736.46-5,150.78-2,391.92

Finding the Fourth Proportional to 3,736.46, 5,150.78 and 2,391.92

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Solution

The fourth proportional to 3,736.46, 5,150.78 and 2,391.92 is: 3,297.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.46 : 5,150.78 = 2,391.92 : x
  2. Step 2: Convert to fraction form
    3,736.46/5,150.78 = 2,391.92/x
  3. Step 3: Cross multiply
    3,736.46x = 5,150.78 × 2,391.92
  4. Step 4: Simplify right side
    3,736.46x = 12,320,253.70
  5. Step 5: Solve for x
    x = 12,320,253.70/3,736.46
  6. Step 6: Final answer
    x = 3,297.31

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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.