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Finding the Fourth Proportional to 5,755.14, 8,629.74 and 1,859.04

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Solution

The fourth proportional to 5,755.14, 8,629.74 and 1,859.04 is: 2,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.14 : 8,629.74 = 1,859.04 : x
  2. Step 2: Convert to fraction form
    5,755.14/8,629.74 = 1,859.04/x
  3. Step 3: Cross multiply
    5,755.14x = 8,629.74 × 1,859.04
  4. Step 4: Simplify right side
    5,755.14x = 16,043,031.85
  5. Step 5: Solve for x
    x = 16,043,031.85/5,755.14
  6. Step 6: Final answer
    x = 2,787.60

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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.