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Finding the Fourth Proportional to 3,578.68, 5,363.07 and 2,583.56

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Solution

The fourth proportional to 3,578.68, 5,363.07 and 2,583.56 is: 3,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.68 : 5,363.07 = 2,583.56 : x
  2. Step 2: Convert to fraction form
    3,578.68/5,363.07 = 2,583.56/x
  3. Step 3: Cross multiply
    3,578.68x = 5,363.07 × 2,583.56
  4. Step 4: Simplify right side
    3,578.68x = 13,855,813.13
  5. Step 5: Solve for x
    x = 13,855,813.13/3,578.68
  6. Step 6: Final answer
    x = 3,871.77

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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.