Home / 5,919.41-8,168.54-3,266.78

Finding the Fourth Proportional to 5,919.41, 8,168.54 and 3,266.78

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Solution

The fourth proportional to 5,919.41, 8,168.54 and 3,266.78 is: 4,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.41 : 8,168.54 = 3,266.78 : x
  2. Step 2: Convert to fraction form
    5,919.41/8,168.54 = 3,266.78/x
  3. Step 3: Cross multiply
    5,919.41x = 8,168.54 × 3,266.78
  4. Step 4: Simplify right side
    5,919.41x = 26,684,765.92
  5. Step 5: Solve for x
    x = 26,684,765.92/5,919.41
  6. Step 6: Final answer
    x = 4,508.01

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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.