Home / 5,451.24-7,522.62-3,213.21

Finding the Fourth Proportional to 5,451.24, 7,522.62 and 3,213.21

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Solution

The fourth proportional to 5,451.24, 7,522.62 and 3,213.21 is: 4,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.24 : 7,522.62 = 3,213.21 : x
  2. Step 2: Convert to fraction form
    5,451.24/7,522.62 = 3,213.21/x
  3. Step 3: Cross multiply
    5,451.24x = 7,522.62 × 3,213.21
  4. Step 4: Simplify right side
    5,451.24x = 24,171,757.81
  5. Step 5: Solve for x
    x = 24,171,757.81/5,451.24
  6. Step 6: Final answer
    x = 4,434.18

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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.