Home / 3,158.58-4,739.07-2,796.48

Finding the Fourth Proportional to 3,158.58, 4,739.07 and 2,796.48

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Solution

The fourth proportional to 3,158.58, 4,739.07 and 2,796.48 is: 4,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.58 : 4,739.07 = 2,796.48 : x
  2. Step 2: Convert to fraction form
    3,158.58/4,739.07 = 2,796.48/x
  3. Step 3: Cross multiply
    3,158.58x = 4,739.07 × 2,796.48
  4. Step 4: Simplify right side
    3,158.58x = 13,252,714.47
  5. Step 5: Solve for x
    x = 13,252,714.47/3,158.58
  6. Step 6: Final answer
    x = 4,195.78

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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.