Home / 5,135.52-7,087.50-3,039.96

Finding the Fourth Proportional to 5,135.52, 7,087.50 and 3,039.96

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Solution

The fourth proportional to 5,135.52, 7,087.50 and 3,039.96 is: 4,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.52 : 7,087.50 = 3,039.96 : x
  2. Step 2: Convert to fraction form
    5,135.52/7,087.50 = 3,039.96/x
  3. Step 3: Cross multiply
    5,135.52x = 7,087.50 × 3,039.96
  4. Step 4: Simplify right side
    5,135.52x = 21,545,716.50
  5. Step 5: Solve for x
    x = 21,545,716.50/5,135.52
  6. Step 6: Final answer
    x = 4,195.43

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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.