Home / 3,170.40-4,375.20-1,844.01

Finding the Fourth Proportional to 3,170.40, 4,375.20 and 1,844.01

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Solution

The fourth proportional to 3,170.40, 4,375.20 and 1,844.01 is: 2,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.40 : 4,375.20 = 1,844.01 : x
  2. Step 2: Convert to fraction form
    3,170.40/4,375.20 = 1,844.01/x
  3. Step 3: Cross multiply
    3,170.40x = 4,375.20 × 1,844.01
  4. Step 4: Simplify right side
    3,170.40x = 8,067,912.55
  5. Step 5: Solve for x
    x = 8,067,912.55/3,170.40
  6. Step 6: Final answer
    x = 2,544.76

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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.