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Finding the Fourth Proportional to 3,888.28, 5,833.26 and 2,245

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Solution

The fourth proportional to 3,888.28, 5,833.26 and 2,245 is: 3,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.28 : 5,833.26 = 2,245 : x
  2. Step 2: Convert to fraction form
    3,888.28/5,833.26 = 2,245/x
  3. Step 3: Cross multiply
    3,888.28x = 5,833.26 × 2,245
  4. Step 4: Simplify right side
    3,888.28x = 13,095,668.70
  5. Step 5: Solve for x
    x = 13,095,668.70/3,888.28
  6. Step 6: Final answer
    x = 3,367.98

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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.