Home / 4,175.06-5,761.85-2,406.78

Finding the Fourth Proportional to 4,175.06, 5,761.85 and 2,406.78

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Solution

The fourth proportional to 4,175.06, 5,761.85 and 2,406.78 is: 3,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.06 : 5,761.85 = 2,406.78 : x
  2. Step 2: Convert to fraction form
    4,175.06/5,761.85 = 2,406.78/x
  3. Step 3: Cross multiply
    4,175.06x = 5,761.85 × 2,406.78
  4. Step 4: Simplify right side
    4,175.06x = 13,867,493.31
  5. Step 5: Solve for x
    x = 13,867,493.31/4,175.06
  6. Step 6: Final answer
    x = 3,321.51

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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.