Home / 5,191.49-7,163.15-3,302.38

Finding the Fourth Proportional to 5,191.49, 7,163.15 and 3,302.38

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Solution

The fourth proportional to 5,191.49, 7,163.15 and 3,302.38 is: 4,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.49 : 7,163.15 = 3,302.38 : x
  2. Step 2: Convert to fraction form
    5,191.49/7,163.15 = 3,302.38/x
  3. Step 3: Cross multiply
    5,191.49x = 7,163.15 × 3,302.38
  4. Step 4: Simplify right side
    5,191.49x = 23,655,390.97
  5. Step 5: Solve for x
    x = 23,655,390.97/5,191.49
  6. Step 6: Final answer
    x = 4,556.58

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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.