Home / 6,171.62-8,516.90-3,519.27

Finding the Fourth Proportional to 6,171.62, 8,516.90 and 3,519.27

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Solution

The fourth proportional to 6,171.62, 8,516.90 and 3,519.27 is: 4,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.62 : 8,516.90 = 3,519.27 : x
  2. Step 2: Convert to fraction form
    6,171.62/8,516.90 = 3,519.27/x
  3. Step 3: Cross multiply
    6,171.62x = 8,516.90 × 3,519.27
  4. Step 4: Simplify right side
    6,171.62x = 29,973,279.46
  5. Step 5: Solve for x
    x = 29,973,279.46/6,171.62
  6. Step 6: Final answer
    x = 4,856.63

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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.