Home / 5,351.25-7,384.73-3,255.38

Finding the Fourth Proportional to 5,351.25, 7,384.73 and 3,255.38

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Solution

The fourth proportional to 5,351.25, 7,384.73 and 3,255.38 is: 4,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.25 : 7,384.73 = 3,255.38 : x
  2. Step 2: Convert to fraction form
    5,351.25/7,384.73 = 3,255.38/x
  3. Step 3: Cross multiply
    5,351.25x = 7,384.73 × 3,255.38
  4. Step 4: Simplify right side
    5,351.25x = 24,040,049.15
  5. Step 5: Solve for x
    x = 24,040,049.15/5,351.25
  6. Step 6: Final answer
    x = 4,492.42

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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.