Home / 5,250.42-7,245.81-2,892.65

Finding the Fourth Proportional to 5,250.42, 7,245.81 and 2,892.65

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Solution

The fourth proportional to 5,250.42, 7,245.81 and 2,892.65 is: 3,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.42 : 7,245.81 = 2,892.65 : x
  2. Step 2: Convert to fraction form
    5,250.42/7,245.81 = 2,892.65/x
  3. Step 3: Cross multiply
    5,250.42x = 7,245.81 × 2,892.65
  4. Step 4: Simplify right side
    5,250.42x = 20,959,556.07
  5. Step 5: Solve for x
    x = 20,959,556.07/5,250.42
  6. Step 6: Final answer
    x = 3,991.98

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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.