Home / 3,163.66-4,365.84-1,838.14

Finding the Fourth Proportional to 3,163.66, 4,365.84 and 1,838.14

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Solution

The fourth proportional to 3,163.66, 4,365.84 and 1,838.14 is: 2,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.66 : 4,365.84 = 1,838.14 : x
  2. Step 2: Convert to fraction form
    3,163.66/4,365.84 = 1,838.14/x
  3. Step 3: Cross multiply
    3,163.66x = 4,365.84 × 1,838.14
  4. Step 4: Simplify right side
    3,163.66x = 8,025,025.14
  5. Step 5: Solve for x
    x = 8,025,025.14/3,163.66
  6. Step 6: Final answer
    x = 2,536.63

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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.