Home / 5,107.44-7,048.11-2,869.26

Finding the Fourth Proportional to 5,107.44, 7,048.11 and 2,869.26

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Solution

The fourth proportional to 5,107.44, 7,048.11 and 2,869.26 is: 3,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.44 : 7,048.11 = 2,869.26 : x
  2. Step 2: Convert to fraction form
    5,107.44/7,048.11 = 2,869.26/x
  3. Step 3: Cross multiply
    5,107.44x = 7,048.11 × 2,869.26
  4. Step 4: Simplify right side
    5,107.44x = 20,222,860.10
  5. Step 5: Solve for x
    x = 20,222,860.10/5,107.44
  6. Step 6: Final answer
    x = 3,959.49

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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.