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Finding the Fourth Proportional to 3,691.42, 5,537.12 and 1,094.56

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Solution

The fourth proportional to 3,691.42, 5,537.12 and 1,094.56 is: 1,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.42 : 5,537.12 = 1,094.56 : x
  2. Step 2: Convert to fraction form
    3,691.42/5,537.12 = 1,094.56/x
  3. Step 3: Cross multiply
    3,691.42x = 5,537.12 × 1,094.56
  4. Step 4: Simplify right side
    3,691.42x = 6,060,710.07
  5. Step 5: Solve for x
    x = 6,060,710.07/3,691.42
  6. Step 6: Final answer
    x = 1,641.84

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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.