Home / 5,167.45-7,749.79-2,245.06

Finding the Fourth Proportional to 5,167.45, 7,749.79 and 2,245.06

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Solution

The fourth proportional to 5,167.45, 7,749.79 and 2,245.06 is: 3,366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.45 : 7,749.79 = 2,245.06 : x
  2. Step 2: Convert to fraction form
    5,167.45/7,749.79 = 2,245.06/x
  3. Step 3: Cross multiply
    5,167.45x = 7,749.79 × 2,245.06
  4. Step 4: Simplify right side
    5,167.45x = 17,398,743.54
  5. Step 5: Solve for x
    x = 17,398,743.54/5,167.45
  6. Step 6: Final answer
    x = 3,366.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.