Home / 5,251.10-7,245.84-2,893.38

Finding the Fourth Proportional to 5,251.10, 7,245.84 and 2,893.38

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Solution

The fourth proportional to 5,251.10, 7,245.84 and 2,893.38 is: 3,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.10 : 7,245.84 = 2,893.38 : x
  2. Step 2: Convert to fraction form
    5,251.10/7,245.84 = 2,893.38/x
  3. Step 3: Cross multiply
    5,251.10x = 7,245.84 × 2,893.38
  4. Step 4: Simplify right side
    5,251.10x = 20,964,968.54
  5. Step 5: Solve for x
    x = 20,964,968.54/5,251.10
  6. Step 6: Final answer
    x = 3,992.49

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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.