Home / 7,098.78-10,650.09-2,716.38

Finding the Fourth Proportional to 7,098.78, 10,650.09 and 2,716.38

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Solution

The fourth proportional to 7,098.78, 10,650.09 and 2,716.38 is: 4,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.78 : 10,650.09 = 2,716.38 : x
  2. Step 2: Convert to fraction form
    7,098.78/10,650.09 = 2,716.38/x
  3. Step 3: Cross multiply
    7,098.78x = 10,650.09 × 2,716.38
  4. Step 4: Simplify right side
    7,098.78x = 28,929,691.47
  5. Step 5: Solve for x
    x = 28,929,691.47/7,098.78
  6. Step 6: Final answer
    x = 4,075.30

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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.