Home / 7,257.77-10,890.75-3,097.38

Finding the Fourth Proportional to 7,257.77, 10,890.75 and 3,097.38

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Solution

The fourth proportional to 7,257.77, 10,890.75 and 3,097.38 is: 4,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.77 : 10,890.75 = 3,097.38 : x
  2. Step 2: Convert to fraction form
    7,257.77/10,890.75 = 3,097.38/x
  3. Step 3: Cross multiply
    7,257.77x = 10,890.75 × 3,097.38
  4. Step 4: Simplify right side
    7,257.77x = 33,732,791.24
  5. Step 5: Solve for x
    x = 33,732,791.24/7,257.77
  6. Step 6: Final answer
    x = 4,647.82

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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.