Home / 2,778.03-4,168.19-1,217.23

Finding the Fourth Proportional to 2,778.03, 4,168.19 and 1,217.23

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Solution

The fourth proportional to 2,778.03, 4,168.19 and 1,217.23 is: 1,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.03 : 4,168.19 = 1,217.23 : x
  2. Step 2: Convert to fraction form
    2,778.03/4,168.19 = 1,217.23/x
  3. Step 3: Cross multiply
    2,778.03x = 4,168.19 × 1,217.23
  4. Step 4: Simplify right side
    2,778.03x = 5,073,628.12
  5. Step 5: Solve for x
    x = 5,073,628.12/2,778.03
  6. Step 6: Final answer
    x = 1,826.34

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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.