Home / 4,976.56-6,867.75-2,881.90

Finding the Fourth Proportional to 4,976.56, 6,867.75 and 2,881.90

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Solution

The fourth proportional to 4,976.56, 6,867.75 and 2,881.90 is: 3,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.56 : 6,867.75 = 2,881.90 : x
  2. Step 2: Convert to fraction form
    4,976.56/6,867.75 = 2,881.90/x
  3. Step 3: Cross multiply
    4,976.56x = 6,867.75 × 2,881.90
  4. Step 4: Simplify right side
    4,976.56x = 19,792,168.73
  5. Step 5: Solve for x
    x = 19,792,168.73/4,976.56
  6. Step 6: Final answer
    x = 3,977.08

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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.