Home / 5,679.94-8,524.80-2,219.62

Finding the Fourth Proportional to 5,679.94, 8,524.80 and 2,219.62

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Solution

The fourth proportional to 5,679.94, 8,524.80 and 2,219.62 is: 3,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.94 : 8,524.80 = 2,219.62 : x
  2. Step 2: Convert to fraction form
    5,679.94/8,524.80 = 2,219.62/x
  3. Step 3: Cross multiply
    5,679.94x = 8,524.80 × 2,219.62
  4. Step 4: Simplify right side
    5,679.94x = 18,921,816.58
  5. Step 5: Solve for x
    x = 18,921,816.58/5,679.94
  6. Step 6: Final answer
    x = 3,331.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.