Home / 3,151.15-4,723.63-1,175.33

Finding the Fourth Proportional to 3,151.15, 4,723.63 and 1,175.33

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Solution

The fourth proportional to 3,151.15, 4,723.63 and 1,175.33 is: 1,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.15 : 4,723.63 = 1,175.33 : x
  2. Step 2: Convert to fraction form
    3,151.15/4,723.63 = 1,175.33/x
  3. Step 3: Cross multiply
    3,151.15x = 4,723.63 × 1,175.33
  4. Step 4: Simplify right side
    3,151.15x = 5,551,824.05
  5. Step 5: Solve for x
    x = 5,551,824.05/3,151.15
  6. Step 6: Final answer
    x = 1,761.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.