Home / 5,088.38-7,022.19-2,850.21

Finding the Fourth Proportional to 5,088.38, 7,022.19 and 2,850.21

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Solution

The fourth proportional to 5,088.38, 7,022.19 and 2,850.21 is: 3,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.38 : 7,022.19 = 2,850.21 : x
  2. Step 2: Convert to fraction form
    5,088.38/7,022.19 = 2,850.21/x
  3. Step 3: Cross multiply
    5,088.38x = 7,022.19 × 2,850.21
  4. Step 4: Simplify right side
    5,088.38x = 20,014,716.16
  5. Step 5: Solve for x
    x = 20,014,716.16/5,088.38
  6. Step 6: Final answer
    x = 3,933.42

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