Home / 5,191.07-7,163.42-2,952.63

Finding the Fourth Proportional to 5,191.07, 7,163.42 and 2,952.63

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Solution

The fourth proportional to 5,191.07, 7,163.42 and 2,952.63 is: 4,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.07 : 7,163.42 = 2,952.63 : x
  2. Step 2: Convert to fraction form
    5,191.07/7,163.42 = 2,952.63/x
  3. Step 3: Cross multiply
    5,191.07x = 7,163.42 × 2,952.63
  4. Step 4: Simplify right side
    5,191.07x = 21,150,914.03
  5. Step 5: Solve for x
    x = 21,150,914.03/5,191.07
  6. Step 6: Final answer
    x = 4,074.48

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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.