Home / 4,115.50-6,162.56-3,455.86

Finding the Fourth Proportional to 4,115.50, 6,162.56 and 3,455.86

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Solution

The fourth proportional to 4,115.50, 6,162.56 and 3,455.86 is: 5,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.50 : 6,162.56 = 3,455.86 : x
  2. Step 2: Convert to fraction form
    4,115.50/6,162.56 = 3,455.86/x
  3. Step 3: Cross multiply
    4,115.50x = 6,162.56 × 3,455.86
  4. Step 4: Simplify right side
    4,115.50x = 21,296,937.83
  5. Step 5: Solve for x
    x = 21,296,937.83/4,115.50
  6. Step 6: Final answer
    x = 5,174.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.