Home / 5,449.14-8,173.72-1,553.54

Finding the Fourth Proportional to 5,449.14, 8,173.72 and 1,553.54

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Solution

The fourth proportional to 5,449.14, 8,173.72 and 1,553.54 is: 2,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.14 : 8,173.72 = 1,553.54 : x
  2. Step 2: Convert to fraction form
    5,449.14/8,173.72 = 1,553.54/x
  3. Step 3: Cross multiply
    5,449.14x = 8,173.72 × 1,553.54
  4. Step 4: Simplify right side
    5,449.14x = 12,698,200.97
  5. Step 5: Solve for x
    x = 12,698,200.97/5,449.14
  6. Step 6: Final answer
    x = 2,330.31

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1.5x scale

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.