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Finding the Fourth Proportional to 3,691.95, 5,537.93 and 3,531.98

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Solution

The fourth proportional to 3,691.95, 5,537.93 and 3,531.98 is: 5,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.95 : 5,537.93 = 3,531.98 : x
  2. Step 2: Convert to fraction form
    3,691.95/5,537.93 = 3,531.98/x
  3. Step 3: Cross multiply
    3,691.95x = 5,537.93 × 3,531.98
  4. Step 4: Simplify right side
    3,691.95x = 19,559,812.65
  5. Step 5: Solve for x
    x = 19,559,812.65/3,691.95
  6. Step 6: Final answer
    x = 5,297.96

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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.