Home / 5,090.36-7,633.70-3,996.86

Finding the Fourth Proportional to 5,090.36, 7,633.70 and 3,996.86

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Solution

The fourth proportional to 5,090.36, 7,633.70 and 3,996.86 is: 5,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.36 : 7,633.70 = 3,996.86 : x
  2. Step 2: Convert to fraction form
    5,090.36/7,633.70 = 3,996.86/x
  3. Step 3: Cross multiply
    5,090.36x = 7,633.70 × 3,996.86
  4. Step 4: Simplify right side
    5,090.36x = 30,510,772.03
  5. Step 5: Solve for x
    x = 30,510,772.03/5,090.36
  6. Step 6: Final answer
    x = 5,993.84

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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.