Home / 5,450.87-7,522.76-3,213.47

Finding the Fourth Proportional to 5,450.87, 7,522.76 and 3,213.47

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Solution

The fourth proportional to 5,450.87, 7,522.76 and 3,213.47 is: 4,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.87 : 7,522.76 = 3,213.47 : x
  2. Step 2: Convert to fraction form
    5,450.87/7,522.76 = 3,213.47/x
  3. Step 3: Cross multiply
    5,450.87x = 7,522.76 × 3,213.47
  4. Step 4: Simplify right side
    5,450.87x = 24,174,190.42
  5. Step 5: Solve for x
    x = 24,174,190.42/5,450.87
  6. Step 6: Final answer
    x = 4,434.92

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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.