Home / 5,521.62-7,620.30-3,164.52

Finding the Fourth Proportional to 5,521.62, 7,620.30 and 3,164.52

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Solution

The fourth proportional to 5,521.62, 7,620.30 and 3,164.52 is: 4,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.62 : 7,620.30 = 3,164.52 : x
  2. Step 2: Convert to fraction form
    5,521.62/7,620.30 = 3,164.52/x
  3. Step 3: Cross multiply
    5,521.62x = 7,620.30 × 3,164.52
  4. Step 4: Simplify right side
    5,521.62x = 24,114,591.76
  5. Step 5: Solve for x
    x = 24,114,591.76/5,521.62
  6. Step 6: Final answer
    x = 4,367.30

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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.