Home / 5,112.09-7,054.65-2,873.97

Finding the Fourth Proportional to 5,112.09, 7,054.65 and 2,873.97

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Solution

The fourth proportional to 5,112.09, 7,054.65 and 2,873.97 is: 3,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.09 : 7,054.65 = 2,873.97 : x
  2. Step 2: Convert to fraction form
    5,112.09/7,054.65 = 2,873.97/x
  3. Step 3: Cross multiply
    5,112.09x = 7,054.65 × 2,873.97
  4. Step 4: Simplify right side
    5,112.09x = 20,274,852.46
  5. Step 5: Solve for x
    x = 20,274,852.46/5,112.09
  6. Step 6: Final answer
    x = 3,966.06

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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.