Home / 7,092.03-10,639.74-2,161.37

Finding the Fourth Proportional to 7,092.03, 10,639.74 and 2,161.37

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Solution

The fourth proportional to 7,092.03, 10,639.74 and 2,161.37 is: 3,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.03 : 10,639.74 = 2,161.37 : x
  2. Step 2: Convert to fraction form
    7,092.03/10,639.74 = 2,161.37/x
  3. Step 3: Cross multiply
    7,092.03x = 10,639.74 × 2,161.37
  4. Step 4: Simplify right side
    7,092.03x = 22,996,367.05
  5. Step 5: Solve for x
    x = 22,996,367.05/7,092.03
  6. Step 6: Final answer
    x = 3,242.57

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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.