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Finding the Fourth Proportional to 4,294.90, 5,921.15 and 3,672.12

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Solution

The fourth proportional to 4,294.90, 5,921.15 and 3,672.12 is: 5,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.90 : 5,921.15 = 3,672.12 : x
  2. Step 2: Convert to fraction form
    4,294.90/5,921.15 = 3,672.12/x
  3. Step 3: Cross multiply
    4,294.90x = 5,921.15 × 3,672.12
  4. Step 4: Simplify right side
    4,294.90x = 21,743,173.34
  5. Step 5: Solve for x
    x = 21,743,173.34/4,294.90
  6. Step 6: Final answer
    x = 5,062.56

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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.