Home / 3,666.36-5,057.49-2,174.02

Finding the Fourth Proportional to 3,666.36, 5,057.49 and 2,174.02

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Solution

The fourth proportional to 3,666.36, 5,057.49 and 2,174.02 is: 2,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.36 : 5,057.49 = 2,174.02 : x
  2. Step 2: Convert to fraction form
    3,666.36/5,057.49 = 2,174.02/x
  3. Step 3: Cross multiply
    3,666.36x = 5,057.49 × 2,174.02
  4. Step 4: Simplify right side
    3,666.36x = 10,995,084.41
  5. Step 5: Solve for x
    x = 10,995,084.41/3,666.36
  6. Step 6: Final answer
    x = 2,998.91

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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.