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Finding the Fourth Proportional to 5,058.83, 6,981.16 and 2,820.73

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Solution

The fourth proportional to 5,058.83, 6,981.16 and 2,820.73 is: 3,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.83 : 6,981.16 = 2,820.73 : x
  2. Step 2: Convert to fraction form
    5,058.83/6,981.16 = 2,820.73/x
  3. Step 3: Cross multiply
    5,058.83x = 6,981.16 × 2,820.73
  4. Step 4: Simplify right side
    5,058.83x = 19,691,918.44
  5. Step 5: Solve for x
    x = 19,691,918.44/5,058.83
  6. Step 6: Final answer
    x = 3,892.59

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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.