Home / 7,270.38-10,033.12-4,083.68

Finding the Fourth Proportional to 7,270.38, 10,033.12 and 4,083.68

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Solution

The fourth proportional to 7,270.38, 10,033.12 and 4,083.68 is: 5,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.38 : 10,033.12 = 4,083.68 : x
  2. Step 2: Convert to fraction form
    7,270.38/10,033.12 = 4,083.68/x
  3. Step 3: Cross multiply
    7,270.38x = 10,033.12 × 4,083.68
  4. Step 4: Simplify right side
    7,270.38x = 40,972,051.48
  5. Step 5: Solve for x
    x = 40,972,051.48/7,270.38
  6. Step 6: Final answer
    x = 5,635.48

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.