Home / 5,003.88-6,905.79-2,766.12

Finding the Fourth Proportional to 5,003.88, 6,905.79 and 2,766.12

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Solution

The fourth proportional to 5,003.88, 6,905.79 and 2,766.12 is: 3,817.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.88 : 6,905.79 = 2,766.12 : x
  2. Step 2: Convert to fraction form
    5,003.88/6,905.79 = 2,766.12/x
  3. Step 3: Cross multiply
    5,003.88x = 6,905.79 × 2,766.12
  4. Step 4: Simplify right side
    5,003.88x = 19,102,243.83
  5. Step 5: Solve for x
    x = 19,102,243.83/5,003.88
  6. Step 6: Final answer
    x = 3,817.49

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1.5x scale

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.