Home / 3,042.72-4,198.99-1,784.52

Finding the Fourth Proportional to 3,042.72, 4,198.99 and 1,784.52

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Solution

The fourth proportional to 3,042.72, 4,198.99 and 1,784.52 is: 2,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.72 : 4,198.99 = 1,784.52 : x
  2. Step 2: Convert to fraction form
    3,042.72/4,198.99 = 1,784.52/x
  3. Step 3: Cross multiply
    3,042.72x = 4,198.99 × 1,784.52
  4. Step 4: Simplify right side
    3,042.72x = 7,493,199.61
  5. Step 5: Solve for x
    x = 7,493,199.61/3,042.72
  6. Step 6: Final answer
    x = 2,462.66

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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.