Home / 5,286.27-7,295.36-3,018.29

Finding the Fourth Proportional to 5,286.27, 7,295.36 and 3,018.29

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Solution

The fourth proportional to 5,286.27, 7,295.36 and 3,018.29 is: 4,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.27 : 7,295.36 = 3,018.29 : x
  2. Step 2: Convert to fraction form
    5,286.27/7,295.36 = 3,018.29/x
  3. Step 3: Cross multiply
    5,286.27x = 7,295.36 × 3,018.29
  4. Step 4: Simplify right side
    5,286.27x = 22,019,460.57
  5. Step 5: Solve for x
    x = 22,019,460.57/5,286.27
  6. Step 6: Final answer
    x = 4,165.40

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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.