Home / 4,997.91-7,485.20-3,950.89

Finding the Fourth Proportional to 4,997.91, 7,485.20 and 3,950.89

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Solution

The fourth proportional to 4,997.91, 7,485.20 and 3,950.89 is: 5,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.91 : 7,485.20 = 3,950.89 : x
  2. Step 2: Convert to fraction form
    4,997.91/7,485.20 = 3,950.89/x
  3. Step 3: Cross multiply
    4,997.91x = 7,485.20 × 3,950.89
  4. Step 4: Simplify right side
    4,997.91x = 29,573,201.83
  5. Step 5: Solve for x
    x = 29,573,201.83/4,997.91
  6. Step 6: Final answer
    x = 5,917.11

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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.