Home / 3,255.10-4,880.85-1,174.75

Finding the Fourth Proportional to 3,255.10, 4,880.85 and 1,174.75

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Solution

The fourth proportional to 3,255.10, 4,880.85 and 1,174.75 is: 1,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.10 : 4,880.85 = 1,174.75 : x
  2. Step 2: Convert to fraction form
    3,255.10/4,880.85 = 1,174.75/x
  3. Step 3: Cross multiply
    3,255.10x = 4,880.85 × 1,174.75
  4. Step 4: Simplify right side
    3,255.10x = 5,733,778.54
  5. Step 5: Solve for x
    x = 5,733,778.54/3,255.10
  6. Step 6: Final answer
    x = 1,761.48

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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.