Home / 3,227.03-4,840.56-887.07

Finding the Fourth Proportional to 3,227.03, 4,840.56 and 887.07

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Solution

The fourth proportional to 3,227.03, 4,840.56 and 887.07 is: 1,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.03 : 4,840.56 = 887.07 : x
  2. Step 2: Convert to fraction form
    3,227.03/4,840.56 = 887.07/x
  3. Step 3: Cross multiply
    3,227.03x = 4,840.56 × 887.07
  4. Step 4: Simplify right side
    3,227.03x = 4,293,915.56
  5. Step 5: Solve for x
    x = 4,293,915.56/3,227.03
  6. Step 6: Final answer
    x = 1,330.61

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