Home / 5,469.75-8,161.94-4,880.70

Finding the Fourth Proportional to 5,469.75, 8,161.94 and 4,880.70

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Solution

The fourth proportional to 5,469.75, 8,161.94 and 4,880.70 is: 7,282.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.75 : 8,161.94 = 4,880.70 : x
  2. Step 2: Convert to fraction form
    5,469.75/8,161.94 = 4,880.70/x
  3. Step 3: Cross multiply
    5,469.75x = 8,161.94 × 4,880.70
  4. Step 4: Simplify right side
    5,469.75x = 39,835,992.76
  5. Step 5: Solve for x
    x = 39,835,992.76/5,469.75
  6. Step 6: Final answer
    x = 7,282.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.