Home / 3,170.87-4,375.82-1,845.34

Finding the Fourth Proportional to 3,170.87, 4,375.82 and 1,845.34

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Solution

The fourth proportional to 3,170.87, 4,375.82 and 1,845.34 is: 2,546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.87 : 4,375.82 = 1,845.34 : x
  2. Step 2: Convert to fraction form
    3,170.87/4,375.82 = 1,845.34/x
  3. Step 3: Cross multiply
    3,170.87x = 4,375.82 × 1,845.34
  4. Step 4: Simplify right side
    3,170.87x = 8,074,872.43
  5. Step 5: Solve for x
    x = 8,074,872.43/3,170.87
  6. Step 6: Final answer
    x = 2,546.58

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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.