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Finding the Fourth Proportional to 3,726, 5,591.56 and 1,294

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Solution

The fourth proportional to 3,726, 5,591.56 and 1,294 is: 1,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726 : 5,591.56 = 1,294 : x
  2. Step 2: Convert to fraction form
    3,726/5,591.56 = 1,294/x
  3. Step 3: Cross multiply
    3,726x = 5,591.56 × 1,294
  4. Step 4: Simplify right side
    3,726x = 7,235,478.64
  5. Step 5: Solve for x
    x = 7,235,478.64/3,726
  6. Step 6: Final answer
    x = 1,941.89

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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.