Home / 7,067.64-10,602.66-3,172.08

Finding the Fourth Proportional to 7,067.64, 10,602.66 and 3,172.08

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Solution

The fourth proportional to 7,067.64, 10,602.66 and 3,172.08 is: 4,758.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.64 : 10,602.66 = 3,172.08 : x
  2. Step 2: Convert to fraction form
    7,067.64/10,602.66 = 3,172.08/x
  3. Step 3: Cross multiply
    7,067.64x = 10,602.66 × 3,172.08
  4. Step 4: Simplify right side
    7,067.64x = 33,632,485.73
  5. Step 5: Solve for x
    x = 33,632,485.73/7,067.64
  6. Step 6: Final answer
    x = 4,758.66

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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.