Home / 5,236.75-7,224.71-3,877.26

Finding the Fourth Proportional to 5,236.75, 7,224.71 and 3,877.26

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Solution

The fourth proportional to 5,236.75, 7,224.71 and 3,877.26 is: 5,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.75 : 7,224.71 = 3,877.26 : x
  2. Step 2: Convert to fraction form
    5,236.75/7,224.71 = 3,877.26/x
  3. Step 3: Cross multiply
    5,236.75x = 7,224.71 × 3,877.26
  4. Step 4: Simplify right side
    5,236.75x = 28,012,079.09
  5. Step 5: Solve for x
    x = 28,012,079.09/5,236.75
  6. Step 6: Final answer
    x = 5,349.13

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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.