Home / 5,919.39-8,168.73-3,266.78

Finding the Fourth Proportional to 5,919.39, 8,168.73 and 3,266.78

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Solution

The fourth proportional to 5,919.39, 8,168.73 and 3,266.78 is: 4,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.39 : 8,168.73 = 3,266.78 : x
  2. Step 2: Convert to fraction form
    5,919.39/8,168.73 = 3,266.78/x
  3. Step 3: Cross multiply
    5,919.39x = 8,168.73 × 3,266.78
  4. Step 4: Simplify right side
    5,919.39x = 26,685,402.95
  5. Step 5: Solve for x
    x = 26,685,402.95/5,919.39
  6. Step 6: Final answer
    x = 4,508.13

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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.