Home / 3,462.54-5,189.68-1,998.60

Finding the Fourth Proportional to 3,462.54, 5,189.68 and 1,998.60

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Solution

The fourth proportional to 3,462.54, 5,189.68 and 1,998.60 is: 2,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.54 : 5,189.68 = 1,998.60 : x
  2. Step 2: Convert to fraction form
    3,462.54/5,189.68 = 1,998.60/x
  3. Step 3: Cross multiply
    3,462.54x = 5,189.68 × 1,998.60
  4. Step 4: Simplify right side
    3,462.54x = 10,372,094.45
  5. Step 5: Solve for x
    x = 10,372,094.45/3,462.54
  6. Step 6: Final answer
    x = 2,995.52

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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.