Home / 5,467.20-7,544.64-3,109.44

Finding the Fourth Proportional to 5,467.20, 7,544.64 and 3,109.44

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Solution

The fourth proportional to 5,467.20, 7,544.64 and 3,109.44 is: 4,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467.20 : 7,544.64 = 3,109.44 : x
  2. Step 2: Convert to fraction form
    5,467.20/7,544.64 = 3,109.44/x
  3. Step 3: Cross multiply
    5,467.20x = 7,544.64 × 3,109.44
  4. Step 4: Simplify right side
    5,467.20x = 23,459,605.40
  5. Step 5: Solve for x
    x = 23,459,605.40/5,467.20
  6. Step 6: Final answer
    x = 4,290.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.