Home / 5,058.21-6,977.86-3,380.03

Finding the Fourth Proportional to 5,058.21, 6,977.86 and 3,380.03

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Solution

The fourth proportional to 5,058.21, 6,977.86 and 3,380.03 is: 4,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.21 : 6,977.86 = 3,380.03 : x
  2. Step 2: Convert to fraction form
    5,058.21/6,977.86 = 3,380.03/x
  3. Step 3: Cross multiply
    5,058.21x = 6,977.86 × 3,380.03
  4. Step 4: Simplify right side
    5,058.21x = 23,585,391.88
  5. Step 5: Solve for x
    x = 23,585,391.88/5,058.21
  6. Step 6: Final answer
    x = 4,662.79

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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.