Home / 4,087.89-6,091.22-3,889.53

Finding the Fourth Proportional to 4,087.89, 6,091.22 and 3,889.53

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Solution

The fourth proportional to 4,087.89, 6,091.22 and 3,889.53 is: 5,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.89 : 6,091.22 = 3,889.53 : x
  2. Step 2: Convert to fraction form
    4,087.89/6,091.22 = 3,889.53/x
  3. Step 3: Cross multiply
    4,087.89x = 6,091.22 × 3,889.53
  4. Step 4: Simplify right side
    4,087.89x = 23,691,963.48
  5. Step 5: Solve for x
    x = 23,691,963.48/4,087.89
  6. Step 6: Final answer
    x = 5,795.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.