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Finding the Fourth Proportional to 3,497.76, 5,245.74 and 1,157.94

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Solution

The fourth proportional to 3,497.76, 5,245.74 and 1,157.94 is: 1,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.76 : 5,245.74 = 1,157.94 : x
  2. Step 2: Convert to fraction form
    3,497.76/5,245.74 = 1,157.94/x
  3. Step 3: Cross multiply
    3,497.76x = 5,245.74 × 1,157.94
  4. Step 4: Simplify right side
    3,497.76x = 6,074,252.18
  5. Step 5: Solve for x
    x = 6,074,252.18/3,497.76
  6. Step 6: Final answer
    x = 1,736.61

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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.