Home / 3,175.98-4,382.87-1,850.60

Finding the Fourth Proportional to 3,175.98, 4,382.87 and 1,850.60

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Solution

The fourth proportional to 3,175.98, 4,382.87 and 1,850.60 is: 2,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.98 : 4,382.87 = 1,850.60 : x
  2. Step 2: Convert to fraction form
    3,175.98/4,382.87 = 1,850.60/x
  3. Step 3: Cross multiply
    3,175.98x = 4,382.87 × 1,850.60
  4. Step 4: Simplify right side
    3,175.98x = 8,110,908.05
  5. Step 5: Solve for x
    x = 8,110,908.05/3,175.98
  6. Step 6: Final answer
    x = 2,553.83

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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.