Home / 6,190.11-8,542.67-3,950.19

Finding the Fourth Proportional to 6,190.11, 8,542.67 and 3,950.19

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Solution

The fourth proportional to 6,190.11, 8,542.67 and 3,950.19 is: 5,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.11 : 8,542.67 = 3,950.19 : x
  2. Step 2: Convert to fraction form
    6,190.11/8,542.67 = 3,950.19/x
  3. Step 3: Cross multiply
    6,190.11x = 8,542.67 × 3,950.19
  4. Step 4: Simplify right side
    6,190.11x = 33,745,149.86
  5. Step 5: Solve for x
    x = 33,745,149.86/6,190.11
  6. Step 6: Final answer
    x = 5,451.46

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Half scale
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Double scale
Find fourth proportional to 6,191.11, 8,544.05 and 3,951.19
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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.