Home / 1,467.20-2,200.38-1,055.12

Finding the Fourth Proportional to 1,467.20, 2,200.38 and 1,055.12

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Solution

The fourth proportional to 1,467.20, 2,200.38 and 1,055.12 is: 1,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.20 : 2,200.38 = 1,055.12 : x
  2. Step 2: Convert to fraction form
    1,467.20/2,200.38 = 1,055.12/x
  3. Step 3: Cross multiply
    1,467.20x = 2,200.38 × 1,055.12
  4. Step 4: Simplify right side
    1,467.20x = 2,321,653.94
  5. Step 5: Solve for x
    x = 2,321,653.94/1,467.20
  6. Step 6: Final answer
    x = 1,582.38

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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.