Home / 5,981.12-8,254.09-3,328.78

Finding the Fourth Proportional to 5,981.12, 8,254.09 and 3,328.78

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Solution

The fourth proportional to 5,981.12, 8,254.09 and 3,328.78 is: 4,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.12 : 8,254.09 = 3,328.78 : x
  2. Step 2: Convert to fraction form
    5,981.12/8,254.09 = 3,328.78/x
  3. Step 3: Cross multiply
    5,981.12x = 8,254.09 × 3,328.78
  4. Step 4: Simplify right side
    5,981.12x = 27,476,049.71
  5. Step 5: Solve for x
    x = 27,476,049.71/5,981.12
  6. Step 6: Final answer
    x = 4,593.80

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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.