Home / 7,345.72-11,016.49-2,080.38

Finding the Fourth Proportional to 7,345.72, 11,016.49 and 2,080.38

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Solution

The fourth proportional to 7,345.72, 11,016.49 and 2,080.38 is: 3,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.72 : 11,016.49 = 2,080.38 : x
  2. Step 2: Convert to fraction form
    7,345.72/11,016.49 = 2,080.38/x
  3. Step 3: Cross multiply
    7,345.72x = 11,016.49 × 2,080.38
  4. Step 4: Simplify right side
    7,345.72x = 22,918,485.47
  5. Step 5: Solve for x
    x = 22,918,485.47/7,345.72
  6. Step 6: Final answer
    x = 3,119.98

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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.