Home / 6,190.12-9,285.18-3,072.28

Finding the Fourth Proportional to 6,190.12, 9,285.18 and 3,072.28

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Solution

The fourth proportional to 6,190.12, 9,285.18 and 3,072.28 is: 4,608.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.12 : 9,285.18 = 3,072.28 : x
  2. Step 2: Convert to fraction form
    6,190.12/9,285.18 = 3,072.28/x
  3. Step 3: Cross multiply
    6,190.12x = 9,285.18 × 3,072.28
  4. Step 4: Simplify right side
    6,190.12x = 28,526,672.77
  5. Step 5: Solve for x
    x = 28,526,672.77/6,190.12
  6. Step 6: Final answer
    x = 4,608.42

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Half scale
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Double scale
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Similar ratio
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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.