Home / 5,441.55-8,156.62-2,280.79

Finding the Fourth Proportional to 5,441.55, 8,156.62 and 2,280.79

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Solution

The fourth proportional to 5,441.55, 8,156.62 and 2,280.79 is: 3,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.55 : 8,156.62 = 2,280.79 : x
  2. Step 2: Convert to fraction form
    5,441.55/8,156.62 = 2,280.79/x
  3. Step 3: Cross multiply
    5,441.55x = 8,156.62 × 2,280.79
  4. Step 4: Simplify right side
    5,441.55x = 18,603,550.38
  5. Step 5: Solve for x
    x = 18,603,550.38/5,441.55
  6. Step 6: Final answer
    x = 3,418.80

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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.