Home / 3,571.27-5,357.51-1,231.52

Finding the Fourth Proportional to 3,571.27, 5,357.51 and 1,231.52

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Solution

The fourth proportional to 3,571.27, 5,357.51 and 1,231.52 is: 1,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.27 : 5,357.51 = 1,231.52 : x
  2. Step 2: Convert to fraction form
    3,571.27/5,357.51 = 1,231.52/x
  3. Step 3: Cross multiply
    3,571.27x = 5,357.51 × 1,231.52
  4. Step 4: Simplify right side
    3,571.27x = 6,597,857.01
  5. Step 5: Solve for x
    x = 6,597,857.01/3,571.27
  6. Step 6: Final answer
    x = 1,847.48

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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.