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Finding the Fourth Proportional to 1,197.37, 1,795.96 and 757.34

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Solution

The fourth proportional to 1,197.37, 1,795.96 and 757.34 is: 1,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.37 : 1,795.96 = 757.34 : x
  2. Step 2: Convert to fraction form
    1,197.37/1,795.96 = 757.34/x
  3. Step 3: Cross multiply
    1,197.37x = 1,795.96 × 757.34
  4. Step 4: Simplify right side
    1,197.37x = 1,360,139.58
  5. Step 5: Solve for x
    x = 1,360,139.58/1,197.37
  6. Step 6: Final answer
    x = 1,135.94

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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.