Home / 4,712.32-7,067.40-2,116

Finding the Fourth Proportional to 4,712.32, 7,067.40 and 2,116

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Solution

The fourth proportional to 4,712.32, 7,067.40 and 2,116 is: 3,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.32 : 7,067.40 = 2,116 : x
  2. Step 2: Convert to fraction form
    4,712.32/7,067.40 = 2,116/x
  3. Step 3: Cross multiply
    4,712.32x = 7,067.40 × 2,116
  4. Step 4: Simplify right side
    4,712.32x = 14,954,618.40
  5. Step 5: Solve for x
    x = 14,954,618.40/4,712.32
  6. Step 6: Final answer
    x = 3,173.52

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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.