Home / 1,992.36-2,740.32-1,598.52

Finding the Fourth Proportional to 1,992.36, 2,740.32 and 1,598.52

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Solution

The fourth proportional to 1,992.36, 2,740.32 and 1,598.52 is: 2,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.36 : 2,740.32 = 1,598.52 : x
  2. Step 2: Convert to fraction form
    1,992.36/2,740.32 = 1,598.52/x
  3. Step 3: Cross multiply
    1,992.36x = 2,740.32 × 1,598.52
  4. Step 4: Simplify right side
    1,992.36x = 4,380,456.33
  5. Step 5: Solve for x
    x = 4,380,456.33/1,992.36
  6. Step 6: Final answer
    x = 2,198.63

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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.