Home / 2,730.16-3,768.02-1,668.54

Finding the Fourth Proportional to 2,730.16, 3,768.02 and 1,668.54

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Solution

The fourth proportional to 2,730.16, 3,768.02 and 1,668.54 is: 2,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.16 : 3,768.02 = 1,668.54 : x
  2. Step 2: Convert to fraction form
    2,730.16/3,768.02 = 1,668.54/x
  3. Step 3: Cross multiply
    2,730.16x = 3,768.02 × 1,668.54
  4. Step 4: Simplify right side
    2,730.16x = 6,287,092.09
  5. Step 5: Solve for x
    x = 6,287,092.09/2,730.16
  6. Step 6: Final answer
    x = 2,302.83

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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.