Home / 3,158.21-4,733.25-1,512.29

Finding the Fourth Proportional to 3,158.21, 4,733.25 and 1,512.29

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Solution

The fourth proportional to 3,158.21, 4,733.25 and 1,512.29 is: 2,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.21 : 4,733.25 = 1,512.29 : x
  2. Step 2: Convert to fraction form
    3,158.21/4,733.25 = 1,512.29/x
  3. Step 3: Cross multiply
    3,158.21x = 4,733.25 × 1,512.29
  4. Step 4: Simplify right side
    3,158.21x = 7,158,022.98
  5. Step 5: Solve for x
    x = 7,158,022.98/3,158.21
  6. Step 6: Final answer
    x = 2,266.48

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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.