Home / 7,286.47-10,929.71-2,092.34

Finding the Fourth Proportional to 7,286.47, 10,929.71 and 2,092.34

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Solution

The fourth proportional to 7,286.47, 10,929.71 and 2,092.34 is: 3,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.47 : 10,929.71 = 2,092.34 : x
  2. Step 2: Convert to fraction form
    7,286.47/10,929.71 = 2,092.34/x
  3. Step 3: Cross multiply
    7,286.47x = 10,929.71 × 2,092.34
  4. Step 4: Simplify right side
    7,286.47x = 22,868,658.96
  5. Step 5: Solve for x
    x = 22,868,658.96/7,286.47
  6. Step 6: Final answer
    x = 3,138.51

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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.