Home / 5,247.27-7,871.49-1,736.37

Finding the Fourth Proportional to 5,247.27, 7,871.49 and 1,736.37

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Solution

The fourth proportional to 5,247.27, 7,871.49 and 1,736.37 is: 2,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.27 : 7,871.49 = 1,736.37 : x
  2. Step 2: Convert to fraction form
    5,247.27/7,871.49 = 1,736.37/x
  3. Step 3: Cross multiply
    5,247.27x = 7,871.49 × 1,736.37
  4. Step 4: Simplify right side
    5,247.27x = 13,667,819.09
  5. Step 5: Solve for x
    x = 13,667,819.09/5,247.27
  6. Step 6: Final answer
    x = 2,604.75

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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.