Home / 5,251.21-7,246.62-2,893.30

Finding the Fourth Proportional to 5,251.21, 7,246.62 and 2,893.30

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Solution

The fourth proportional to 5,251.21, 7,246.62 and 2,893.30 is: 3,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.21 : 7,246.62 = 2,893.30 : x
  2. Step 2: Convert to fraction form
    5,251.21/7,246.62 = 2,893.30/x
  3. Step 3: Cross multiply
    5,251.21x = 7,246.62 × 2,893.30
  4. Step 4: Simplify right side
    5,251.21x = 20,966,645.65
  5. Step 5: Solve for x
    x = 20,966,645.65/5,251.21
  6. Step 6: Final answer
    x = 3,992.73

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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.