Home / 7,331.74-10,992.39-3,434.02

Finding the Fourth Proportional to 7,331.74, 10,992.39 and 3,434.02

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Solution

The fourth proportional to 7,331.74, 10,992.39 and 3,434.02 is: 5,148.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.74 : 10,992.39 = 3,434.02 : x
  2. Step 2: Convert to fraction form
    7,331.74/10,992.39 = 3,434.02/x
  3. Step 3: Cross multiply
    7,331.74x = 10,992.39 × 3,434.02
  4. Step 4: Simplify right side
    7,331.74x = 37,748,087.11
  5. Step 5: Solve for x
    x = 37,748,087.11/7,331.74
  6. Step 6: Final answer
    x = 5,148.59

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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.