Home / 5,163.14-7,125.17-2,805.23

Finding the Fourth Proportional to 5,163.14, 7,125.17 and 2,805.23

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Solution

The fourth proportional to 5,163.14, 7,125.17 and 2,805.23 is: 3,871.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.14 : 7,125.17 = 2,805.23 : x
  2. Step 2: Convert to fraction form
    5,163.14/7,125.17 = 2,805.23/x
  3. Step 3: Cross multiply
    5,163.14x = 7,125.17 × 2,805.23
  4. Step 4: Simplify right side
    5,163.14x = 19,987,744.43
  5. Step 5: Solve for x
    x = 19,987,744.43/5,163.14
  6. Step 6: Final answer
    x = 3,871.24

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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.