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Finding the Fourth Proportional to 3,866.33, 5,339.33 and 2,674.37

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Solution

The fourth proportional to 3,866.33, 5,339.33 and 2,674.37 is: 3,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.33 : 5,339.33 = 2,674.37 : x
  2. Step 2: Convert to fraction form
    3,866.33/5,339.33 = 2,674.37/x
  3. Step 3: Cross multiply
    3,866.33x = 5,339.33 × 2,674.37
  4. Step 4: Simplify right side
    3,866.33x = 14,279,303.90
  5. Step 5: Solve for x
    x = 14,279,303.90/3,866.33
  6. Step 6: Final answer
    x = 3,693.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.