Home / 4,867.89-6,717.69-2,772

Finding the Fourth Proportional to 4,867.89, 6,717.69 and 2,772

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Solution

The fourth proportional to 4,867.89, 6,717.69 and 2,772 is: 3,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.89 : 6,717.69 = 2,772 : x
  2. Step 2: Convert to fraction form
    4,867.89/6,717.69 = 2,772/x
  3. Step 3: Cross multiply
    4,867.89x = 6,717.69 × 2,772
  4. Step 4: Simplify right side
    4,867.89x = 18,621,436.68
  5. Step 5: Solve for x
    x = 18,621,436.68/4,867.89
  6. Step 6: Final answer
    x = 3,825.36

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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.