Home / 3,571.38-5,357.93-1,231.43

Finding the Fourth Proportional to 3,571.38, 5,357.93 and 1,231.43

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Solution

The fourth proportional to 3,571.38, 5,357.93 and 1,231.43 is: 1,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.38 : 5,357.93 = 1,231.43 : x
  2. Step 2: Convert to fraction form
    3,571.38/5,357.93 = 1,231.43/x
  3. Step 3: Cross multiply
    3,571.38x = 5,357.93 × 1,231.43
  4. Step 4: Simplify right side
    3,571.38x = 6,597,882.79
  5. Step 5: Solve for x
    x = 6,597,882.79/3,571.38
  6. Step 6: Final answer
    x = 1,847.43

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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.