Home / 5,585.14-7,700.82-4,092.52

Finding the Fourth Proportional to 5,585.14, 7,700.82 and 4,092.52

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Solution

The fourth proportional to 5,585.14, 7,700.82 and 4,092.52 is: 5,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.14 : 7,700.82 = 4,092.52 : x
  2. Step 2: Convert to fraction form
    5,585.14/7,700.82 = 4,092.52/x
  3. Step 3: Cross multiply
    5,585.14x = 7,700.82 × 4,092.52
  4. Step 4: Simplify right side
    5,585.14x = 31,515,759.87
  5. Step 5: Solve for x
    x = 31,515,759.87/5,585.14
  6. Step 6: Final answer
    x = 5,642.79

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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.