Home / 7,157.60-10,736.85-2,227.43

Finding the Fourth Proportional to 7,157.60, 10,736.85 and 2,227.43

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Solution

The fourth proportional to 7,157.60, 10,736.85 and 2,227.43 is: 3,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.60 : 10,736.85 = 2,227.43 : x
  2. Step 2: Convert to fraction form
    7,157.60/10,736.85 = 2,227.43/x
  3. Step 3: Cross multiply
    7,157.60x = 10,736.85 × 2,227.43
  4. Step 4: Simplify right side
    7,157.60x = 23,915,616.99
  5. Step 5: Solve for x
    x = 23,915,616.99/7,157.60
  6. Step 6: Final answer
    x = 3,341.29

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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.