Home / 1,469.24-2,203.41-495.08

Finding the Fourth Proportional to 1,469.24, 2,203.41 and 495.08

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Solution

The fourth proportional to 1,469.24, 2,203.41 and 495.08 is: 742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.24 : 2,203.41 = 495.08 : x
  2. Step 2: Convert to fraction form
    1,469.24/2,203.41 = 495.08/x
  3. Step 3: Cross multiply
    1,469.24x = 2,203.41 × 495.08
  4. Step 4: Simplify right side
    1,469.24x = 1,090,864.22
  5. Step 5: Solve for x
    x = 1,090,864.22/1,469.24
  6. Step 6: Final answer
    x = 742.47

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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.