Home / 4,163.90-5,741.52-2,838.38

Finding the Fourth Proportional to 4,163.90, 5,741.52 and 2,838.38

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Solution

The fourth proportional to 4,163.90, 5,741.52 and 2,838.38 is: 3,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.90 : 5,741.52 = 2,838.38 : x
  2. Step 2: Convert to fraction form
    4,163.90/5,741.52 = 2,838.38/x
  3. Step 3: Cross multiply
    4,163.90x = 5,741.52 × 2,838.38
  4. Step 4: Simplify right side
    4,163.90x = 16,296,615.54
  5. Step 5: Solve for x
    x = 16,296,615.54/4,163.90
  6. Step 6: Final answer
    x = 3,913.79

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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.