Home / 5,180.88-7,150.20-3,084.96

Finding the Fourth Proportional to 5,180.88, 7,150.20 and 3,084.96

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Solution

The fourth proportional to 5,180.88, 7,150.20 and 3,084.96 is: 4,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.88 : 7,150.20 = 3,084.96 : x
  2. Step 2: Convert to fraction form
    5,180.88/7,150.20 = 3,084.96/x
  3. Step 3: Cross multiply
    5,180.88x = 7,150.20 × 3,084.96
  4. Step 4: Simplify right side
    5,180.88x = 22,058,080.99
  5. Step 5: Solve for x
    x = 22,058,080.99/5,180.88
  6. Step 6: Final answer
    x = 4,257.59

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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.