Home / 5,880.75-8,115.81-3,396.75

Finding the Fourth Proportional to 5,880.75, 8,115.81 and 3,396.75

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Solution

The fourth proportional to 5,880.75, 8,115.81 and 3,396.75 is: 4,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.75 : 8,115.81 = 3,396.75 : x
  2. Step 2: Convert to fraction form
    5,880.75/8,115.81 = 3,396.75/x
  3. Step 3: Cross multiply
    5,880.75x = 8,115.81 × 3,396.75
  4. Step 4: Simplify right side
    5,880.75x = 27,567,377.62
  5. Step 5: Solve for x
    x = 27,567,377.62/5,880.75
  6. Step 6: Final answer
    x = 4,687.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.