Home / 5,087.80-7,627.29-2,274.49

Finding the Fourth Proportional to 5,087.80, 7,627.29 and 2,274.49

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Solution

The fourth proportional to 5,087.80, 7,627.29 and 2,274.49 is: 3,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.80 : 7,627.29 = 2,274.49 : x
  2. Step 2: Convert to fraction form
    5,087.80/7,627.29 = 2,274.49/x
  3. Step 3: Cross multiply
    5,087.80x = 7,627.29 × 2,274.49
  4. Step 4: Simplify right side
    5,087.80x = 17,348,194.83
  5. Step 5: Solve for x
    x = 17,348,194.83/5,087.80
  6. Step 6: Final answer
    x = 3,409.76

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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.