Home / 4,168.73-5,753.61-2,678.51

Finding the Fourth Proportional to 4,168.73, 5,753.61 and 2,678.51

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Solution

The fourth proportional to 4,168.73, 5,753.61 and 2,678.51 is: 3,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.73 : 5,753.61 = 2,678.51 : x
  2. Step 2: Convert to fraction form
    4,168.73/5,753.61 = 2,678.51/x
  3. Step 3: Cross multiply
    4,168.73x = 5,753.61 × 2,678.51
  4. Step 4: Simplify right side
    4,168.73x = 15,411,073.15
  5. Step 5: Solve for x
    x = 15,411,073.15/4,168.73
  6. Step 6: Final answer
    x = 3,696.83

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1.5x scale

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.