Home / 2,772.35-4,156.05-1,016.13

Finding the Fourth Proportional to 2,772.35, 4,156.05 and 1,016.13

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Solution

The fourth proportional to 2,772.35, 4,156.05 and 1,016.13 is: 1,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.35 : 4,156.05 = 1,016.13 : x
  2. Step 2: Convert to fraction form
    2,772.35/4,156.05 = 1,016.13/x
  3. Step 3: Cross multiply
    2,772.35x = 4,156.05 × 1,016.13
  4. Step 4: Simplify right side
    2,772.35x = 4,223,087.09
  5. Step 5: Solve for x
    x = 4,223,087.09/2,772.35
  6. Step 6: Final answer
    x = 1,523.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.