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Finding the Fourth Proportional to 5,906.39, 8,143.22 and 4,840.22

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Solution

The fourth proportional to 5,906.39, 8,143.22 and 4,840.22 is: 6,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.39 : 8,143.22 = 4,840.22 : x
  2. Step 2: Convert to fraction form
    5,906.39/8,143.22 = 4,840.22/x
  3. Step 3: Cross multiply
    5,906.39x = 8,143.22 × 4,840.22
  4. Step 4: Simplify right side
    5,906.39x = 39,415,008.77
  5. Step 5: Solve for x
    x = 39,415,008.77/5,906.39
  6. Step 6: Final answer
    x = 6,673.29

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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.