Home / 1,474.16-2,212.10-550.36

Finding the Fourth Proportional to 1,474.16, 2,212.10 and 550.36

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Solution

The fourth proportional to 1,474.16, 2,212.10 and 550.36 is: 825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.16 : 2,212.10 = 550.36 : x
  2. Step 2: Convert to fraction form
    1,474.16/2,212.10 = 550.36/x
  3. Step 3: Cross multiply
    1,474.16x = 2,212.10 × 550.36
  4. Step 4: Simplify right side
    1,474.16x = 1,217,440.30
  5. Step 5: Solve for x
    x = 1,217,440.30/1,474.16
  6. Step 6: Final answer
    x = 825.85

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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.