Home / 5,999.06-8,279.62-3,640.75

Finding the Fourth Proportional to 5,999.06, 8,279.62 and 3,640.75

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Solution

The fourth proportional to 5,999.06, 8,279.62 and 3,640.75 is: 5,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.06 : 8,279.62 = 3,640.75 : x
  2. Step 2: Convert to fraction form
    5,999.06/8,279.62 = 3,640.75/x
  3. Step 3: Cross multiply
    5,999.06x = 8,279.62 × 3,640.75
  4. Step 4: Simplify right side
    5,999.06x = 30,143,996.71
  5. Step 5: Solve for x
    x = 30,143,996.71/5,999.06
  6. Step 6: Final answer
    x = 5,024.78

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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.