Home / 7,208.82-10,819.62-3,701.28

Finding the Fourth Proportional to 7,208.82, 10,819.62 and 3,701.28

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Solution

The fourth proportional to 7,208.82, 10,819.62 and 3,701.28 is: 5,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.82 : 10,819.62 = 3,701.28 : x
  2. Step 2: Convert to fraction form
    7,208.82/10,819.62 = 3,701.28/x
  3. Step 3: Cross multiply
    7,208.82x = 10,819.62 × 3,701.28
  4. Step 4: Simplify right side
    7,208.82x = 40,046,443.11
  5. Step 5: Solve for x
    x = 40,046,443.11/7,208.82
  6. Step 6: Final answer
    x = 5,555.20

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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.