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Finding the Fourth Proportional to 3,804.98, 5,708.07 and 1,613.73

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Solution

The fourth proportional to 3,804.98, 5,708.07 and 1,613.73 is: 2,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.98 : 5,708.07 = 1,613.73 : x
  2. Step 2: Convert to fraction form
    3,804.98/5,708.07 = 1,613.73/x
  3. Step 3: Cross multiply
    3,804.98x = 5,708.07 × 1,613.73
  4. Step 4: Simplify right side
    3,804.98x = 9,211,283.80
  5. Step 5: Solve for x
    x = 9,211,283.80/3,804.98
  6. Step 6: Final answer
    x = 2,420.85

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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.