Home / 2,743.18-3,785.68-1,548.45

Finding the Fourth Proportional to 2,743.18, 3,785.68 and 1,548.45

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Solution

The fourth proportional to 2,743.18, 3,785.68 and 1,548.45 is: 2,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.18 : 3,785.68 = 1,548.45 : x
  2. Step 2: Convert to fraction form
    2,743.18/3,785.68 = 1,548.45/x
  3. Step 3: Cross multiply
    2,743.18x = 3,785.68 × 1,548.45
  4. Step 4: Simplify right side
    2,743.18x = 5,861,937.33
  5. Step 5: Solve for x
    x = 5,861,937.33/2,743.18
  6. Step 6: Final answer
    x = 2,136.92

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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.