Home / 5,433.68-8,155.49-3,357.72

Finding the Fourth Proportional to 5,433.68, 8,155.49 and 3,357.72

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Solution

The fourth proportional to 5,433.68, 8,155.49 and 3,357.72 is: 5,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.68 : 8,155.49 = 3,357.72 : x
  2. Step 2: Convert to fraction form
    5,433.68/8,155.49 = 3,357.72/x
  3. Step 3: Cross multiply
    5,433.68x = 8,155.49 × 3,357.72
  4. Step 4: Simplify right side
    5,433.68x = 27,383,835.09
  5. Step 5: Solve for x
    x = 27,383,835.09/5,433.68
  6. Step 6: Final answer
    x = 5,039.65

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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.