Home / 7,067.11-10,602.71-2,137.47

Finding the Fourth Proportional to 7,067.11, 10,602.71 and 2,137.47

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Solution

The fourth proportional to 7,067.11, 10,602.71 and 2,137.47 is: 3,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.11 : 10,602.71 = 2,137.47 : x
  2. Step 2: Convert to fraction form
    7,067.11/10,602.71 = 2,137.47/x
  3. Step 3: Cross multiply
    7,067.11x = 10,602.71 × 2,137.47
  4. Step 4: Simplify right side
    7,067.11x = 22,662,963.86
  5. Step 5: Solve for x
    x = 22,662,963.86/7,067.11
  6. Step 6: Final answer
    x = 3,206.82

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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.