Home / 6,190.32-8,540.78-3,797.84

Finding the Fourth Proportional to 6,190.32, 8,540.78 and 3,797.84

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Solution

The fourth proportional to 6,190.32, 8,540.78 and 3,797.84 is: 5,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.32 : 8,540.78 = 3,797.84 : x
  2. Step 2: Convert to fraction form
    6,190.32/8,540.78 = 3,797.84/x
  3. Step 3: Cross multiply
    6,190.32x = 8,540.78 × 3,797.84
  4. Step 4: Simplify right side
    6,190.32x = 32,436,454.22
  5. Step 5: Solve for x
    x = 32,436,454.22/6,190.32
  6. Step 6: Final answer
    x = 5,239.87

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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.