Home / 6,171.66-8,516.52-3,518.64

Finding the Fourth Proportional to 6,171.66, 8,516.52 and 3,518.64

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Solution

The fourth proportional to 6,171.66, 8,516.52 and 3,518.64 is: 4,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.66 : 8,516.52 = 3,518.64 : x
  2. Step 2: Convert to fraction form
    6,171.66/8,516.52 = 3,518.64/x
  3. Step 3: Cross multiply
    6,171.66x = 8,516.52 × 3,518.64
  4. Step 4: Simplify right side
    6,171.66x = 29,966,567.93
  5. Step 5: Solve for x
    x = 29,966,567.93/6,171.66
  6. Step 6: Final answer
    x = 4,855.51

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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.