Home / 5,251.05-7,246.48-2,893.21

Finding the Fourth Proportional to 5,251.05, 7,246.48 and 2,893.21

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Solution

The fourth proportional to 5,251.05, 7,246.48 and 2,893.21 is: 3,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.05 : 7,246.48 = 2,893.21 : x
  2. Step 2: Convert to fraction form
    5,251.05/7,246.48 = 2,893.21/x
  3. Step 3: Cross multiply
    5,251.05x = 7,246.48 × 2,893.21
  4. Step 4: Simplify right side
    5,251.05x = 20,965,588.40
  5. Step 5: Solve for x
    x = 20,965,588.40/5,251.05
  6. Step 6: Final answer
    x = 3,992.65

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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.