Home / 5,522.82-7,621.52-3,165.10

Finding the Fourth Proportional to 5,522.82, 7,621.52 and 3,165.10

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Solution

The fourth proportional to 5,522.82, 7,621.52 and 3,165.10 is: 4,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.82 : 7,621.52 = 3,165.10 : x
  2. Step 2: Convert to fraction form
    5,522.82/7,621.52 = 3,165.10/x
  3. Step 3: Cross multiply
    5,522.82x = 7,621.52 × 3,165.10
  4. Step 4: Simplify right side
    5,522.82x = 24,122,872.95
  5. Step 5: Solve for x
    x = 24,122,872.95/5,522.82
  6. Step 6: Final answer
    x = 4,367.85

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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.