Home / 5,104.78-7,044.33-2,866.75

Finding the Fourth Proportional to 5,104.78, 7,044.33 and 2,866.75

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Solution

The fourth proportional to 5,104.78, 7,044.33 and 2,866.75 is: 3,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.78 : 7,044.33 = 2,866.75 : x
  2. Step 2: Convert to fraction form
    5,104.78/7,044.33 = 2,866.75/x
  3. Step 3: Cross multiply
    5,104.78x = 7,044.33 × 2,866.75
  4. Step 4: Simplify right side
    5,104.78x = 20,194,326.17
  5. Step 5: Solve for x
    x = 20,194,326.17/5,104.78
  6. Step 6: Final answer
    x = 3,955.97

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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.