Home / 7,119.59-10,674.25-3,418.97

Finding the Fourth Proportional to 7,119.59, 10,674.25 and 3,418.97

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Solution

The fourth proportional to 7,119.59, 10,674.25 and 3,418.97 is: 5,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.59 : 10,674.25 = 3,418.97 : x
  2. Step 2: Convert to fraction form
    7,119.59/10,674.25 = 3,418.97/x
  3. Step 3: Cross multiply
    7,119.59x = 10,674.25 × 3,418.97
  4. Step 4: Simplify right side
    7,119.59x = 36,494,878.60
  5. Step 5: Solve for x
    x = 36,494,878.60/7,119.59
  6. Step 6: Final answer
    x = 5,125.98

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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.