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Finding the Fourth Proportional to 5,392.85, 8,088.73 and 1,694.97

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Solution

The fourth proportional to 5,392.85, 8,088.73 and 1,694.97 is: 2,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.85 : 8,088.73 = 1,694.97 : x
  2. Step 2: Convert to fraction form
    5,392.85/8,088.73 = 1,694.97/x
  3. Step 3: Cross multiply
    5,392.85x = 8,088.73 × 1,694.97
  4. Step 4: Simplify right side
    5,392.85x = 13,710,150.45
  5. Step 5: Solve for x
    x = 13,710,150.45/5,392.85
  6. Step 6: Final answer
    x = 2,542.29

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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.