Home / 6,171.35-8,516.43-3,519.59

Finding the Fourth Proportional to 6,171.35, 8,516.43 and 3,519.59

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Solution

The fourth proportional to 6,171.35, 8,516.43 and 3,519.59 is: 4,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.35 : 8,516.43 = 3,519.59 : x
  2. Step 2: Convert to fraction form
    6,171.35/8,516.43 = 3,519.59/x
  3. Step 3: Cross multiply
    6,171.35x = 8,516.43 × 3,519.59
  4. Step 4: Simplify right side
    6,171.35x = 29,974,299.28
  5. Step 5: Solve for x
    x = 29,974,299.28/6,171.35
  6. Step 6: Final answer
    x = 4,857.01

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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.