Home / 5,251.20-7,246.58-2,893.43

Finding the Fourth Proportional to 5,251.20, 7,246.58 and 2,893.43

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Solution

The fourth proportional to 5,251.20, 7,246.58 and 2,893.43 is: 3,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.20 : 7,246.58 = 2,893.43 : x
  2. Step 2: Convert to fraction form
    5,251.20/7,246.58 = 2,893.43/x
  3. Step 3: Cross multiply
    5,251.20x = 7,246.58 × 2,893.43
  4. Step 4: Simplify right side
    5,251.20x = 20,967,421.27
  5. Step 5: Solve for x
    x = 20,967,421.27/5,251.20
  6. Step 6: Final answer
    x = 3,992.88

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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.