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Finding the Fourth Proportional to 3,585.92, 4,929.43 and 3,203.80

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Solution

The fourth proportional to 3,585.92, 4,929.43 and 3,203.80 is: 4,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.92 : 4,929.43 = 3,203.80 : x
  2. Step 2: Convert to fraction form
    3,585.92/4,929.43 = 3,203.80/x
  3. Step 3: Cross multiply
    3,585.92x = 4,929.43 × 3,203.80
  4. Step 4: Simplify right side
    3,585.92x = 15,792,930.25
  5. Step 5: Solve for x
    x = 15,792,930.25/3,585.92
  6. Step 6: Final answer
    x = 4,404.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.