Home / 5,189.82-7,161.66-2,952.24

Finding the Fourth Proportional to 5,189.82, 7,161.66 and 2,952.24

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Solution

The fourth proportional to 5,189.82, 7,161.66 and 2,952.24 is: 4,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.82 : 7,161.66 = 2,952.24 : x
  2. Step 2: Convert to fraction form
    5,189.82/7,161.66 = 2,952.24/x
  3. Step 3: Cross multiply
    5,189.82x = 7,161.66 × 2,952.24
  4. Step 4: Simplify right side
    5,189.82x = 21,142,939.12
  5. Step 5: Solve for x
    x = 21,142,939.12/5,189.82
  6. Step 6: Final answer
    x = 4,073.93

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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.