Home / 5,251.83-7,247.31-2,893.83

Finding the Fourth Proportional to 5,251.83, 7,247.31 and 2,893.83

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Solution

The fourth proportional to 5,251.83, 7,247.31 and 2,893.83 is: 3,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.83 : 7,247.31 = 2,893.83 : x
  2. Step 2: Convert to fraction form
    5,251.83/7,247.31 = 2,893.83/x
  3. Step 3: Cross multiply
    5,251.83x = 7,247.31 × 2,893.83
  4. Step 4: Simplify right side
    5,251.83x = 20,972,483.10
  5. Step 5: Solve for x
    x = 20,972,483.10/5,251.83
  6. Step 6: Final answer
    x = 3,993.37

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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.