Home / 3,231.12-4,843.60-1,038.31

Finding the Fourth Proportional to 3,231.12, 4,843.60 and 1,038.31

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Solution

The fourth proportional to 3,231.12, 4,843.60 and 1,038.31 is: 1,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.12 : 4,843.60 = 1,038.31 : x
  2. Step 2: Convert to fraction form
    3,231.12/4,843.60 = 1,038.31/x
  3. Step 3: Cross multiply
    3,231.12x = 4,843.60 × 1,038.31
  4. Step 4: Simplify right side
    3,231.12x = 5,029,158.32
  5. Step 5: Solve for x
    x = 5,029,158.32/3,231.12
  6. Step 6: Final answer
    x = 1,556.48

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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.