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Finding the Fourth Proportional to 4,252.56, 5,868.60 and 2,389.56

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Solution

The fourth proportional to 4,252.56, 5,868.60 and 2,389.56 is: 3,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.56 : 5,868.60 = 2,389.56 : x
  2. Step 2: Convert to fraction form
    4,252.56/5,868.60 = 2,389.56/x
  3. Step 3: Cross multiply
    4,252.56x = 5,868.60 × 2,389.56
  4. Step 4: Simplify right side
    4,252.56x = 14,023,371.82
  5. Step 5: Solve for x
    x = 14,023,371.82/4,252.56
  6. Step 6: Final answer
    x = 3,297.63

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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.