Home / 2,906.05-4,355.83-2,255.17

Finding the Fourth Proportional to 2,906.05, 4,355.83 and 2,255.17

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Solution

The fourth proportional to 2,906.05, 4,355.83 and 2,255.17 is: 3,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.05 : 4,355.83 = 2,255.17 : x
  2. Step 2: Convert to fraction form
    2,906.05/4,355.83 = 2,255.17/x
  3. Step 3: Cross multiply
    2,906.05x = 4,355.83 × 2,255.17
  4. Step 4: Simplify right side
    2,906.05x = 9,823,137.14
  5. Step 5: Solve for x
    x = 9,823,137.14/2,906.05
  6. Step 6: Final answer
    x = 3,380.24

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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.