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Finding the Fourth Proportional to 3,866.74, 5,334.44 and 2,294.54

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Solution

The fourth proportional to 3,866.74, 5,334.44 and 2,294.54 is: 3,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.74 : 5,334.44 = 2,294.54 : x
  2. Step 2: Convert to fraction form
    3,866.74/5,334.44 = 2,294.54/x
  3. Step 3: Cross multiply
    3,866.74x = 5,334.44 × 2,294.54
  4. Step 4: Simplify right side
    3,866.74x = 12,240,085.96
  5. Step 5: Solve for x
    x = 12,240,085.96/3,866.74
  6. Step 6: Final answer
    x = 3,165.48

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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.