Home / 5,917.28-8,163.52-5,171.27

Finding the Fourth Proportional to 5,917.28, 8,163.52 and 5,171.27

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Solution

The fourth proportional to 5,917.28, 8,163.52 and 5,171.27 is: 7,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.28 : 8,163.52 = 5,171.27 : x
  2. Step 2: Convert to fraction form
    5,917.28/8,163.52 = 5,171.27/x
  3. Step 3: Cross multiply
    5,917.28x = 8,163.52 × 5,171.27
  4. Step 4: Simplify right side
    5,917.28x = 42,215,712.32
  5. Step 5: Solve for x
    x = 42,215,712.32/5,917.28
  6. Step 6: Final answer
    x = 7,134.32

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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.