Home / 5,522.04-7,621.38-3,163.72

Finding the Fourth Proportional to 5,522.04, 7,621.38 and 3,163.72

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Solution

The fourth proportional to 5,522.04, 7,621.38 and 3,163.72 is: 4,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.04 : 7,621.38 = 3,163.72 : x
  2. Step 2: Convert to fraction form
    5,522.04/7,621.38 = 3,163.72/x
  3. Step 3: Cross multiply
    5,522.04x = 7,621.38 × 3,163.72
  4. Step 4: Simplify right side
    5,522.04x = 24,111,912.33
  5. Step 5: Solve for x
    x = 24,111,912.33/5,522.04
  6. Step 6: Final answer
    x = 4,366.49

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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.