Home / 7,119.26-9,824.01-4,134.60

Finding the Fourth Proportional to 7,119.26, 9,824.01 and 4,134.60

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Solution

The fourth proportional to 7,119.26, 9,824.01 and 4,134.60 is: 5,705.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.26 : 9,824.01 = 4,134.60 : x
  2. Step 2: Convert to fraction form
    7,119.26/9,824.01 = 4,134.60/x
  3. Step 3: Cross multiply
    7,119.26x = 9,824.01 × 4,134.60
  4. Step 4: Simplify right side
    7,119.26x = 40,618,351.75
  5. Step 5: Solve for x
    x = 40,618,351.75/7,119.26
  6. Step 6: Final answer
    x = 5,705.42

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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.