Home / 6,085.37-9,131.70-2,190.08

Finding the Fourth Proportional to 6,085.37, 9,131.70 and 2,190.08

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Solution

The fourth proportional to 6,085.37, 9,131.70 and 2,190.08 is: 3,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.37 : 9,131.70 = 2,190.08 : x
  2. Step 2: Convert to fraction form
    6,085.37/9,131.70 = 2,190.08/x
  3. Step 3: Cross multiply
    6,085.37x = 9,131.70 × 2,190.08
  4. Step 4: Simplify right side
    6,085.37x = 19,999,107.88
  5. Step 5: Solve for x
    x = 19,999,107.88/6,085.37
  6. Step 6: Final answer
    x = 3,286.43

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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.