Home / 5,523.53-8,278.20-3,678.23

Finding the Fourth Proportional to 5,523.53, 8,278.20 and 3,678.23

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Solution

The fourth proportional to 5,523.53, 8,278.20 and 3,678.23 is: 5,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.53 : 8,278.20 = 3,678.23 : x
  2. Step 2: Convert to fraction form
    5,523.53/8,278.20 = 3,678.23/x
  3. Step 3: Cross multiply
    5,523.53x = 8,278.20 × 3,678.23
  4. Step 4: Simplify right side
    5,523.53x = 30,449,144.28
  5. Step 5: Solve for x
    x = 30,449,144.28/5,523.53
  6. Step 6: Final answer
    x = 5,512.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.