Home / 3,158.36-4,734.48-1,772.36

Finding the Fourth Proportional to 3,158.36, 4,734.48 and 1,772.36

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Solution

The fourth proportional to 3,158.36, 4,734.48 and 1,772.36 is: 2,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.36 : 4,734.48 = 1,772.36 : x
  2. Step 2: Convert to fraction form
    3,158.36/4,734.48 = 1,772.36/x
  3. Step 3: Cross multiply
    3,158.36x = 4,734.48 × 1,772.36
  4. Step 4: Simplify right side
    3,158.36x = 8,391,202.97
  5. Step 5: Solve for x
    x = 8,391,202.97/3,158.36
  6. Step 6: Final answer
    x = 2,656.82

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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.