Home / 3,984.45-5,500.40-2,493.33

Finding the Fourth Proportional to 3,984.45, 5,500.40 and 2,493.33

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Solution

The fourth proportional to 3,984.45, 5,500.40 and 2,493.33 is: 3,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.45 : 5,500.40 = 2,493.33 : x
  2. Step 2: Convert to fraction form
    3,984.45/5,500.40 = 2,493.33/x
  3. Step 3: Cross multiply
    3,984.45x = 5,500.40 × 2,493.33
  4. Step 4: Simplify right side
    3,984.45x = 13,714,299.87
  5. Step 5: Solve for x
    x = 13,714,299.87/3,984.45
  6. Step 6: Final answer
    x = 3,441.96

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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.