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Finding the Fourth Proportional to 3,971.26, 5,927.47 and 3,504.25

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Solution

The fourth proportional to 3,971.26, 5,927.47 and 3,504.25 is: 5,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.26 : 5,927.47 = 3,504.25 : x
  2. Step 2: Convert to fraction form
    3,971.26/5,927.47 = 3,504.25/x
  3. Step 3: Cross multiply
    3,971.26x = 5,927.47 × 3,504.25
  4. Step 4: Simplify right side
    3,971.26x = 20,771,307.11
  5. Step 5: Solve for x
    x = 20,771,307.11/3,971.26
  6. Step 6: Final answer
    x = 5,230.41

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