Home / 5,251.45-7,246.92-2,893.68

Finding the Fourth Proportional to 5,251.45, 7,246.92 and 2,893.68

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Solution

The fourth proportional to 5,251.45, 7,246.92 and 2,893.68 is: 3,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.45 : 7,246.92 = 2,893.68 : x
  2. Step 2: Convert to fraction form
    5,251.45/7,246.92 = 2,893.68/x
  3. Step 3: Cross multiply
    5,251.45x = 7,246.92 × 2,893.68
  4. Step 4: Simplify right side
    5,251.45x = 20,970,267.47
  5. Step 5: Solve for x
    x = 20,970,267.47/5,251.45
  6. Step 6: Final answer
    x = 3,993.23

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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.