Home / 4,712.79-7,067.36-1,591.96

Finding the Fourth Proportional to 4,712.79, 7,067.36 and 1,591.96

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Solution

The fourth proportional to 4,712.79, 7,067.36 and 1,591.96 is: 2,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.79 : 7,067.36 = 1,591.96 : x
  2. Step 2: Convert to fraction form
    4,712.79/7,067.36 = 1,591.96/x
  3. Step 3: Cross multiply
    4,712.79x = 7,067.36 × 1,591.96
  4. Step 4: Simplify right side
    4,712.79x = 11,250,940.74
  5. Step 5: Solve for x
    x = 11,250,940.74/4,712.79
  6. Step 6: Final answer
    x = 2,387.32

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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.