Home / 5,981.43-8,254.37-3,328.78

Finding the Fourth Proportional to 5,981.43, 8,254.37 and 3,328.78

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Solution

The fourth proportional to 5,981.43, 8,254.37 and 3,328.78 is: 4,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.43 : 8,254.37 = 3,328.78 : x
  2. Step 2: Convert to fraction form
    5,981.43/8,254.37 = 3,328.78/x
  3. Step 3: Cross multiply
    5,981.43x = 8,254.37 × 3,328.78
  4. Step 4: Simplify right side
    5,981.43x = 27,476,923.85
  5. Step 5: Solve for x
    x = 27,476,923.85/5,981.43
  6. Step 6: Final answer
    x = 4,593.70

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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.