Home / 5,116.72-7,058.60-3,019.64

Finding the Fourth Proportional to 5,116.72, 7,058.60 and 3,019.64

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Solution

The fourth proportional to 5,116.72, 7,058.60 and 3,019.64 is: 4,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.72 : 7,058.60 = 3,019.64 : x
  2. Step 2: Convert to fraction form
    5,116.72/7,058.60 = 3,019.64/x
  3. Step 3: Cross multiply
    5,116.72x = 7,058.60 × 3,019.64
  4. Step 4: Simplify right side
    5,116.72x = 21,314,430.90
  5. Step 5: Solve for x
    x = 21,314,430.90/5,116.72
  6. Step 6: Final answer
    x = 4,165.64

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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.