Home / 5,251.94-7,247.70-2,894.03

Finding the Fourth Proportional to 5,251.94, 7,247.70 and 2,894.03

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Solution

The fourth proportional to 5,251.94, 7,247.70 and 2,894.03 is: 3,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.94 : 7,247.70 = 2,894.03 : x
  2. Step 2: Convert to fraction form
    5,251.94/7,247.70 = 2,894.03/x
  3. Step 3: Cross multiply
    5,251.94x = 7,247.70 × 2,894.03
  4. Step 4: Simplify right side
    5,251.94x = 20,975,061.23
  5. Step 5: Solve for x
    x = 20,975,061.23/5,251.94
  6. Step 6: Final answer
    x = 3,993.77

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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.