Home / 5,078.97-7,009.56-2,841.41

Finding the Fourth Proportional to 5,078.97, 7,009.56 and 2,841.41

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Solution

The fourth proportional to 5,078.97, 7,009.56 and 2,841.41 is: 3,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.97 : 7,009.56 = 2,841.41 : x
  2. Step 2: Convert to fraction form
    5,078.97/7,009.56 = 2,841.41/x
  3. Step 3: Cross multiply
    5,078.97x = 7,009.56 × 2,841.41
  4. Step 4: Simplify right side
    5,078.97x = 19,917,051.40
  5. Step 5: Solve for x
    x = 19,917,051.40/5,078.97
  6. Step 6: Final answer
    x = 3,921.47

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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.