Home / 6,171.68-8,516.88-3,339.05

Finding the Fourth Proportional to 6,171.68, 8,516.88 and 3,339.05

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Solution

The fourth proportional to 6,171.68, 8,516.88 and 3,339.05 is: 4,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.68 : 8,516.88 = 3,339.05 : x
  2. Step 2: Convert to fraction form
    6,171.68/8,516.88 = 3,339.05/x
  3. Step 3: Cross multiply
    6,171.68x = 8,516.88 × 3,339.05
  4. Step 4: Simplify right side
    6,171.68x = 28,438,245.58
  5. Step 5: Solve for x
    x = 28,438,245.58/6,171.68
  6. Step 6: Final answer
    x = 4,607.87

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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.