Home / 5,921.64-8,174.82-3,684.24

Finding the Fourth Proportional to 5,921.64, 8,174.82 and 3,684.24

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Solution

The fourth proportional to 5,921.64, 8,174.82 and 3,684.24 is: 5,086.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.64 : 8,174.82 = 3,684.24 : x
  2. Step 2: Convert to fraction form
    5,921.64/8,174.82 = 3,684.24/x
  3. Step 3: Cross multiply
    5,921.64x = 8,174.82 × 3,684.24
  4. Step 4: Simplify right side
    5,921.64x = 30,117,998.84
  5. Step 5: Solve for x
    x = 30,117,998.84/5,921.64
  6. Step 6: Final answer
    x = 5,086.09

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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.