Home / 5,450.76-7,522.25-3,214.56

Finding the Fourth Proportional to 5,450.76, 7,522.25 and 3,214.56

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Solution

The fourth proportional to 5,450.76, 7,522.25 and 3,214.56 is: 4,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.76 : 7,522.25 = 3,214.56 : x
  2. Step 2: Convert to fraction form
    5,450.76/7,522.25 = 3,214.56/x
  3. Step 3: Cross multiply
    5,450.76x = 7,522.25 × 3,214.56
  4. Step 4: Simplify right side
    5,450.76x = 24,180,707.89
  5. Step 5: Solve for x
    x = 24,180,707.89/5,450.76
  6. Step 6: Final answer
    x = 4,436.21

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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.