Home / 7,029.44-10,545.32-2,647.28

Finding the Fourth Proportional to 7,029.44, 10,545.32 and 2,647.28

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Solution

The fourth proportional to 7,029.44, 10,545.32 and 2,647.28 is: 3,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.44 : 10,545.32 = 2,647.28 : x
  2. Step 2: Convert to fraction form
    7,029.44/10,545.32 = 2,647.28/x
  3. Step 3: Cross multiply
    7,029.44x = 10,545.32 × 2,647.28
  4. Step 4: Simplify right side
    7,029.44x = 27,916,414.73
  5. Step 5: Solve for x
    x = 27,916,414.73/7,029.44
  6. Step 6: Final answer
    x = 3,971.36

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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.