Home / 1,467.11-2,201.15-479.97

Finding the Fourth Proportional to 1,467.11, 2,201.15 and 479.97

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Solution

The fourth proportional to 1,467.11, 2,201.15 and 479.97 is: 720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.11 : 2,201.15 = 479.97 : x
  2. Step 2: Convert to fraction form
    1,467.11/2,201.15 = 479.97/x
  3. Step 3: Cross multiply
    1,467.11x = 2,201.15 × 479.97
  4. Step 4: Simplify right side
    1,467.11x = 1,056,477.11
  5. Step 5: Solve for x
    x = 1,056,477.11/1,467.11
  6. Step 6: Final answer
    x = 720.11

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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.