Home / 3,213.24-4,432.50-2,219.04

Finding the Fourth Proportional to 3,213.24, 4,432.50 and 2,219.04

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Solution

The fourth proportional to 3,213.24, 4,432.50 and 2,219.04 is: 3,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.24 : 4,432.50 = 2,219.04 : x
  2. Step 2: Convert to fraction form
    3,213.24/4,432.50 = 2,219.04/x
  3. Step 3: Cross multiply
    3,213.24x = 4,432.50 × 2,219.04
  4. Step 4: Simplify right side
    3,213.24x = 9,835,894.80
  5. Step 5: Solve for x
    x = 9,835,894.80/3,213.24
  6. Step 6: Final answer
    x = 3,061.05

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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.