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Finding the Fourth Proportional to 3,707.91, 5,559.83 and 1,518.18

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Solution

The fourth proportional to 3,707.91, 5,559.83 and 1,518.18 is: 2,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.91 : 5,559.83 = 1,518.18 : x
  2. Step 2: Convert to fraction form
    3,707.91/5,559.83 = 1,518.18/x
  3. Step 3: Cross multiply
    3,707.91x = 5,559.83 × 1,518.18
  4. Step 4: Simplify right side
    3,707.91x = 8,440,815.12
  5. Step 5: Solve for x
    x = 8,440,815.12/3,707.91
  6. Step 6: Final answer
    x = 2,276.43

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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.