Home / 5,869.92-8,806.85-1,921.37

Finding the Fourth Proportional to 5,869.92, 8,806.85 and 1,921.37

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Solution

The fourth proportional to 5,869.92, 8,806.85 and 1,921.37 is: 2,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.92 : 8,806.85 = 1,921.37 : x
  2. Step 2: Convert to fraction form
    5,869.92/8,806.85 = 1,921.37/x
  3. Step 3: Cross multiply
    5,869.92x = 8,806.85 × 1,921.37
  4. Step 4: Simplify right side
    5,869.92x = 16,921,163.74
  5. Step 5: Solve for x
    x = 16,921,163.74/5,869.92
  6. Step 6: Final answer
    x = 2,882.69

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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.