Home / 5,455.16-8,179.46-2,452.65

Finding the Fourth Proportional to 5,455.16, 8,179.46 and 2,452.65

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Solution

The fourth proportional to 5,455.16, 8,179.46 and 2,452.65 is: 3,677.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.16 : 8,179.46 = 2,452.65 : x
  2. Step 2: Convert to fraction form
    5,455.16/8,179.46 = 2,452.65/x
  3. Step 3: Cross multiply
    5,455.16x = 8,179.46 × 2,452.65
  4. Step 4: Simplify right side
    5,455.16x = 20,061,299.41
  5. Step 5: Solve for x
    x = 20,061,299.41/5,455.16
  6. Step 6: Final answer
    x = 3,677.49

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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.