Home / 1,467.20-2,202.60-1,456.40

Finding the Fourth Proportional to 1,467.20, 2,202.60 and 1,456.40

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Solution

The fourth proportional to 1,467.20, 2,202.60 and 1,456.40 is: 2,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.20 : 2,202.60 = 1,456.40 : x
  2. Step 2: Convert to fraction form
    1,467.20/2,202.60 = 1,456.40/x
  3. Step 3: Cross multiply
    1,467.20x = 2,202.60 × 1,456.40
  4. Step 4: Simplify right side
    1,467.20x = 3,207,866.64
  5. Step 5: Solve for x
    x = 3,207,866.64/1,467.20
  6. Step 6: Final answer
    x = 2,186.39

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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.