Home / 5,199.05-7,174.78-2,960.96

Finding the Fourth Proportional to 5,199.05, 7,174.78 and 2,960.96

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Solution

The fourth proportional to 5,199.05, 7,174.78 and 2,960.96 is: 4,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.05 : 7,174.78 = 2,960.96 : x
  2. Step 2: Convert to fraction form
    5,199.05/7,174.78 = 2,960.96/x
  3. Step 3: Cross multiply
    5,199.05x = 7,174.78 × 2,960.96
  4. Step 4: Simplify right side
    5,199.05x = 21,244,193.31
  5. Step 5: Solve for x
    x = 21,244,193.31/5,199.05
  6. Step 6: Final answer
    x = 4,086.17

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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.