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Finding the Fourth Proportional to 4,604.51, 6,890.37 and 3,685.97

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Solution

The fourth proportional to 4,604.51, 6,890.37 and 3,685.97 is: 5,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,604.51 : 6,890.37 = 3,685.97 : x
  2. Step 2: Convert to fraction form
    4,604.51/6,890.37 = 3,685.97/x
  3. Step 3: Cross multiply
    4,604.51x = 6,890.37 × 3,685.97
  4. Step 4: Simplify right side
    4,604.51x = 25,397,700.51
  5. Step 5: Solve for x
    x = 25,397,700.51/4,604.51
  6. Step 6: Final answer
    x = 5,515.83

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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.