Home / 5,087.36-7,023.76-3,906.16

Finding the Fourth Proportional to 5,087.36, 7,023.76 and 3,906.16

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Solution

The fourth proportional to 5,087.36, 7,023.76 and 3,906.16 is: 5,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.36 : 7,023.76 = 3,906.16 : x
  2. Step 2: Convert to fraction form
    5,087.36/7,023.76 = 3,906.16/x
  3. Step 3: Cross multiply
    5,087.36x = 7,023.76 × 3,906.16
  4. Step 4: Simplify right side
    5,087.36x = 27,435,930.36
  5. Step 5: Solve for x
    x = 27,435,930.36/5,087.36
  6. Step 6: Final answer
    x = 5,392.96

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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.