Home / 5,058.92-6,981.34-2,820.84

Finding the Fourth Proportional to 5,058.92, 6,981.34 and 2,820.84

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Solution

The fourth proportional to 5,058.92, 6,981.34 and 2,820.84 is: 3,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.92 : 6,981.34 = 2,820.84 : x
  2. Step 2: Convert to fraction form
    5,058.92/6,981.34 = 2,820.84/x
  3. Step 3: Cross multiply
    5,058.92x = 6,981.34 × 2,820.84
  4. Step 4: Simplify right side
    5,058.92x = 19,693,243.13
  5. Step 5: Solve for x
    x = 19,693,243.13/5,058.92
  6. Step 6: Final answer
    x = 3,892.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.