Home / 7,371.20-10,185.21-5,891.33

Finding the Fourth Proportional to 7,371.20, 10,185.21 and 5,891.33

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Solution

The fourth proportional to 7,371.20, 10,185.21 and 5,891.33 is: 8,140.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.20 : 10,185.21 = 5,891.33 : x
  2. Step 2: Convert to fraction form
    7,371.20/10,185.21 = 5,891.33/x
  3. Step 3: Cross multiply
    7,371.20x = 10,185.21 × 5,891.33
  4. Step 4: Simplify right side
    7,371.20x = 60,004,403.77
  5. Step 5: Solve for x
    x = 60,004,403.77/7,371.20
  6. Step 6: Final answer
    x = 8,140.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.