Home / 5,168.20-7,133.63-3,375.95

Finding the Fourth Proportional to 5,168.20, 7,133.63 and 3,375.95

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Solution

The fourth proportional to 5,168.20, 7,133.63 and 3,375.95 is: 4,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.20 : 7,133.63 = 3,375.95 : x
  2. Step 2: Convert to fraction form
    5,168.20/7,133.63 = 3,375.95/x
  3. Step 3: Cross multiply
    5,168.20x = 7,133.63 × 3,375.95
  4. Step 4: Simplify right side
    5,168.20x = 24,082,761.32
  5. Step 5: Solve for x
    x = 24,082,761.32/5,168.20
  6. Step 6: Final answer
    x = 4,659.80

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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.