Home / 5,236.54-7,854.81-3,290.11

Finding the Fourth Proportional to 5,236.54, 7,854.81 and 3,290.11

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Solution

The fourth proportional to 5,236.54, 7,854.81 and 3,290.11 is: 4,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.54 : 7,854.81 = 3,290.11 : x
  2. Step 2: Convert to fraction form
    5,236.54/7,854.81 = 3,290.11/x
  3. Step 3: Cross multiply
    5,236.54x = 7,854.81 × 3,290.11
  4. Step 4: Simplify right side
    5,236.54x = 25,843,188.93
  5. Step 5: Solve for x
    x = 25,843,188.93/5,236.54
  6. Step 6: Final answer
    x = 4,935.17

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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.