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Finding the Fourth Proportional to 2,596.30, 3,894.67 and 747.44

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Solution

The fourth proportional to 2,596.30, 3,894.67 and 747.44 is: 1,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596.30 : 3,894.67 = 747.44 : x
  2. Step 2: Convert to fraction form
    2,596.30/3,894.67 = 747.44/x
  3. Step 3: Cross multiply
    2,596.30x = 3,894.67 × 747.44
  4. Step 4: Simplify right side
    2,596.30x = 2,911,032.64
  5. Step 5: Solve for x
    x = 2,911,032.64/2,596.30
  6. Step 6: Final answer
    x = 1,121.22

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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.