Home / 4,993.20-7,489.83-2,219.22

Finding the Fourth Proportional to 4,993.20, 7,489.83 and 2,219.22

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Solution

The fourth proportional to 4,993.20, 7,489.83 and 2,219.22 is: 3,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.20 : 7,489.83 = 2,219.22 : x
  2. Step 2: Convert to fraction form
    4,993.20/7,489.83 = 2,219.22/x
  3. Step 3: Cross multiply
    4,993.20x = 7,489.83 × 2,219.22
  4. Step 4: Simplify right side
    4,993.20x = 16,621,531.99
  5. Step 5: Solve for x
    x = 16,621,531.99/4,993.20
  6. Step 6: Final answer
    x = 3,328.84

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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.