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Finding the Fourth Proportional to 5,790.82, 8,684.30 and 1,894.32

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Solution

The fourth proportional to 5,790.82, 8,684.30 and 1,894.32 is: 2,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.82 : 8,684.30 = 1,894.32 : x
  2. Step 2: Convert to fraction form
    5,790.82/8,684.30 = 1,894.32/x
  3. Step 3: Cross multiply
    5,790.82x = 8,684.30 × 1,894.32
  4. Step 4: Simplify right side
    5,790.82x = 16,450,843.18
  5. Step 5: Solve for x
    x = 16,450,843.18/5,790.82
  6. Step 6: Final answer
    x = 2,840.85

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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.