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Finding the Fourth Proportional to 5,375.77, 7,414.54 and 3,582.43

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Solution

The fourth proportional to 5,375.77, 7,414.54 and 3,582.43 is: 4,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.77 : 7,414.54 = 3,582.43 : x
  2. Step 2: Convert to fraction form
    5,375.77/7,414.54 = 3,582.43/x
  3. Step 3: Cross multiply
    5,375.77x = 7,414.54 × 3,582.43
  4. Step 4: Simplify right side
    5,375.77x = 26,562,043.04
  5. Step 5: Solve for x
    x = 26,562,043.04/5,375.77
  6. Step 6: Final answer
    x = 4,941.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.