Home / 5,451.44-7,517.76-3,458.46

Finding the Fourth Proportional to 5,451.44, 7,517.76 and 3,458.46

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Solution

The fourth proportional to 5,451.44, 7,517.76 and 3,458.46 is: 4,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.44 : 7,517.76 = 3,458.46 : x
  2. Step 2: Convert to fraction form
    5,451.44/7,517.76 = 3,458.46/x
  3. Step 3: Cross multiply
    5,451.44x = 7,517.76 × 3,458.46
  4. Step 4: Simplify right side
    5,451.44x = 25,999,872.25
  5. Step 5: Solve for x
    x = 25,999,872.25/5,451.44
  6. Step 6: Final answer
    x = 4,769.36

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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.