Home / 7,092.36-10,639.15-2,162.05

Finding the Fourth Proportional to 7,092.36, 10,639.15 and 2,162.05

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Solution

The fourth proportional to 7,092.36, 10,639.15 and 2,162.05 is: 3,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.36 : 10,639.15 = 2,162.05 : x
  2. Step 2: Convert to fraction form
    7,092.36/10,639.15 = 2,162.05/x
  3. Step 3: Cross multiply
    7,092.36x = 10,639.15 × 2,162.05
  4. Step 4: Simplify right side
    7,092.36x = 23,002,342.25
  5. Step 5: Solve for x
    x = 23,002,342.25/7,092.36
  6. Step 6: Final answer
    x = 3,243.26

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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.