Home / 5,396.73-7,447.21-3,272.23

Finding the Fourth Proportional to 5,396.73, 7,447.21 and 3,272.23

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Solution

The fourth proportional to 5,396.73, 7,447.21 and 3,272.23 is: 4,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.73 : 7,447.21 = 3,272.23 : x
  2. Step 2: Convert to fraction form
    5,396.73/7,447.21 = 3,272.23/x
  3. Step 3: Cross multiply
    5,396.73x = 7,447.21 × 3,272.23
  4. Step 4: Simplify right side
    5,396.73x = 24,368,983.98
  5. Step 5: Solve for x
    x = 24,368,983.98/5,396.73
  6. Step 6: Final answer
    x = 4,515.51

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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.