Home / 5,249.81-7,244.78-2,892.11

Finding the Fourth Proportional to 5,249.81, 7,244.78 and 2,892.11

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Solution

The fourth proportional to 5,249.81, 7,244.78 and 2,892.11 is: 3,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.81 : 7,244.78 = 2,892.11 : x
  2. Step 2: Convert to fraction form
    5,249.81/7,244.78 = 2,892.11/x
  3. Step 3: Cross multiply
    5,249.81x = 7,244.78 × 2,892.11
  4. Step 4: Simplify right side
    5,249.81x = 20,952,650.00
  5. Step 5: Solve for x
    x = 20,952,650.00/5,249.81
  6. Step 6: Final answer
    x = 3,991.12

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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.