Home / 2,763.72-4,120.20-2,544.48

Finding the Fourth Proportional to 2,763.72, 4,120.20 and 2,544.48

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Solution

The fourth proportional to 2,763.72, 4,120.20 and 2,544.48 is: 3,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.72 : 4,120.20 = 2,544.48 : x
  2. Step 2: Convert to fraction form
    2,763.72/4,120.20 = 2,544.48/x
  3. Step 3: Cross multiply
    2,763.72x = 4,120.20 × 2,544.48
  4. Step 4: Simplify right side
    2,763.72x = 10,483,766.50
  5. Step 5: Solve for x
    x = 10,483,766.50/2,763.72
  6. Step 6: Final answer
    x = 3,793.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.