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Finding the Fourth Proportional to 3,859.12, 5,325.12 and 2,367.10

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Solution

The fourth proportional to 3,859.12, 5,325.12 and 2,367.10 is: 3,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.12 : 5,325.12 = 2,367.10 : x
  2. Step 2: Convert to fraction form
    3,859.12/5,325.12 = 2,367.10/x
  3. Step 3: Cross multiply
    3,859.12x = 5,325.12 × 2,367.10
  4. Step 4: Simplify right side
    3,859.12x = 12,605,091.55
  5. Step 5: Solve for x
    x = 12,605,091.55/3,859.12
  6. Step 6: Final answer
    x = 3,266.31

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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.