Home / 5,790.57-7,991.30-3,272.78

Finding the Fourth Proportional to 5,790.57, 7,991.30 and 3,272.78

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Solution

The fourth proportional to 5,790.57, 7,991.30 and 3,272.78 is: 4,516.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.57 : 7,991.30 = 3,272.78 : x
  2. Step 2: Convert to fraction form
    5,790.57/7,991.30 = 3,272.78/x
  3. Step 3: Cross multiply
    5,790.57x = 7,991.30 × 3,272.78
  4. Step 4: Simplify right side
    5,790.57x = 26,153,794.97
  5. Step 5: Solve for x
    x = 26,153,794.97/5,790.57
  6. Step 6: Final answer
    x = 4,516.62

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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.