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Finding the Fourth Proportional to 4,395.47, 6,593.21 and 1,620.94

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Solution

The fourth proportional to 4,395.47, 6,593.21 and 1,620.94 is: 2,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.47 : 6,593.21 = 1,620.94 : x
  2. Step 2: Convert to fraction form
    4,395.47/6,593.21 = 1,620.94/x
  3. Step 3: Cross multiply
    4,395.47x = 6,593.21 × 1,620.94
  4. Step 4: Simplify right side
    4,395.47x = 10,687,197.82
  5. Step 5: Solve for x
    x = 10,687,197.82/4,395.47
  6. Step 6: Final answer
    x = 2,431.41

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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.