Home / 7,825.68-11,735.55-2,559.42

Finding the Fourth Proportional to 7,825.68, 11,735.55 and 2,559.42

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Solution

The fourth proportional to 7,825.68, 11,735.55 and 2,559.42 is: 3,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.68 : 11,735.55 = 2,559.42 : x
  2. Step 2: Convert to fraction form
    7,825.68/11,735.55 = 2,559.42/x
  3. Step 3: Cross multiply
    7,825.68x = 11,735.55 × 2,559.42
  4. Step 4: Simplify right side
    7,825.68x = 30,036,201.38
  5. Step 5: Solve for x
    x = 30,036,201.38/7,825.68
  6. Step 6: Final answer
    x = 3,838.16

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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.