Home / 4,049.20-5,585.88-2,722.96

Finding the Fourth Proportional to 4,049.20, 5,585.88 and 2,722.96

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Solution

The fourth proportional to 4,049.20, 5,585.88 and 2,722.96 is: 3,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.20 : 5,585.88 = 2,722.96 : x
  2. Step 2: Convert to fraction form
    4,049.20/5,585.88 = 2,722.96/x
  3. Step 3: Cross multiply
    4,049.20x = 5,585.88 × 2,722.96
  4. Step 4: Simplify right side
    4,049.20x = 15,210,127.80
  5. Step 5: Solve for x
    x = 15,210,127.80/4,049.20
  6. Step 6: Final answer
    x = 3,756.33

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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.