Home / 5,079.54-7,009.17-2,841.37

Finding the Fourth Proportional to 5,079.54, 7,009.17 and 2,841.37

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Solution

The fourth proportional to 5,079.54, 7,009.17 and 2,841.37 is: 3,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.54 : 7,009.17 = 2,841.37 : x
  2. Step 2: Convert to fraction form
    5,079.54/7,009.17 = 2,841.37/x
  3. Step 3: Cross multiply
    5,079.54x = 7,009.17 × 2,841.37
  4. Step 4: Simplify right side
    5,079.54x = 19,915,645.36
  5. Step 5: Solve for x
    x = 19,915,645.36/5,079.54
  6. Step 6: Final answer
    x = 3,920.76

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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.