Home / 5,190.19-7,162.56-3,094.31

Finding the Fourth Proportional to 5,190.19, 7,162.56 and 3,094.31

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Solution

The fourth proportional to 5,190.19, 7,162.56 and 3,094.31 is: 4,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.19 : 7,162.56 = 3,094.31 : x
  2. Step 2: Convert to fraction form
    5,190.19/7,162.56 = 3,094.31/x
  3. Step 3: Cross multiply
    5,190.19x = 7,162.56 × 3,094.31
  4. Step 4: Simplify right side
    5,190.19x = 22,163,198.94
  5. Step 5: Solve for x
    x = 22,163,198.94/5,190.19
  6. Step 6: Final answer
    x = 4,270.21

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Half scale
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Double scale
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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.