Home / 2,975.78-4,462.37-1,331.17

Finding the Fourth Proportional to 2,975.78, 4,462.37 and 1,331.17

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Solution

The fourth proportional to 2,975.78, 4,462.37 and 1,331.17 is: 1,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.78 : 4,462.37 = 1,331.17 : x
  2. Step 2: Convert to fraction form
    2,975.78/4,462.37 = 1,331.17/x
  3. Step 3: Cross multiply
    2,975.78x = 4,462.37 × 1,331.17
  4. Step 4: Simplify right side
    2,975.78x = 5,940,173.07
  5. Step 5: Solve for x
    x = 5,940,173.07/2,975.78
  6. Step 6: Final answer
    x = 1,996.17

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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.