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Finding the Fourth Proportional to 5,296.86, 7,945.29 and 1,401.23

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Solution

The fourth proportional to 5,296.86, 7,945.29 and 1,401.23 is: 2,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.86 : 7,945.29 = 1,401.23 : x
  2. Step 2: Convert to fraction form
    5,296.86/7,945.29 = 1,401.23/x
  3. Step 3: Cross multiply
    5,296.86x = 7,945.29 × 1,401.23
  4. Step 4: Simplify right side
    5,296.86x = 11,133,198.57
  5. Step 5: Solve for x
    x = 11,133,198.57/5,296.86
  6. Step 6: Final answer
    x = 2,101.85

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Similar ratio
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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.