Home / 5,375.25-8,062.92-1,912.50

Finding the Fourth Proportional to 5,375.25, 8,062.92 and 1,912.50

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Solution

The fourth proportional to 5,375.25, 8,062.92 and 1,912.50 is: 2,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.25 : 8,062.92 = 1,912.50 : x
  2. Step 2: Convert to fraction form
    5,375.25/8,062.92 = 1,912.50/x
  3. Step 3: Cross multiply
    5,375.25x = 8,062.92 × 1,912.50
  4. Step 4: Simplify right side
    5,375.25x = 15,420,334.50
  5. Step 5: Solve for x
    x = 15,420,334.50/5,375.25
  6. Step 6: Final answer
    x = 2,868.77

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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.