Home / 7,180.38-10,763.37-3,021.39

Finding the Fourth Proportional to 7,180.38, 10,763.37 and 3,021.39

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Solution

The fourth proportional to 7,180.38, 10,763.37 and 3,021.39 is: 4,529.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.38 : 10,763.37 = 3,021.39 : x
  2. Step 2: Convert to fraction form
    7,180.38/10,763.37 = 3,021.39/x
  3. Step 3: Cross multiply
    7,180.38x = 10,763.37 × 3,021.39
  4. Step 4: Simplify right side
    7,180.38x = 32,520,338.48
  5. Step 5: Solve for x
    x = 32,520,338.48/7,180.38
  6. Step 6: Final answer
    x = 4,529.06

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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.