Home / 4,867.90-6,718.05-2,772.02

Finding the Fourth Proportional to 4,867.90, 6,718.05 and 2,772.02

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Solution

The fourth proportional to 4,867.90, 6,718.05 and 2,772.02 is: 3,825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.90 : 6,718.05 = 2,772.02 : x
  2. Step 2: Convert to fraction form
    4,867.90/6,718.05 = 2,772.02/x
  3. Step 3: Cross multiply
    4,867.90x = 6,718.05 × 2,772.02
  4. Step 4: Simplify right side
    4,867.90x = 18,622,585.76
  5. Step 5: Solve for x
    x = 18,622,585.76/4,867.90
  6. Step 6: Final answer
    x = 3,825.59

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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.