Home / 5,112.14-7,053.99-2,873.90

Finding the Fourth Proportional to 5,112.14, 7,053.99 and 2,873.90

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Solution

The fourth proportional to 5,112.14, 7,053.99 and 2,873.90 is: 3,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.14 : 7,053.99 = 2,873.90 : x
  2. Step 2: Convert to fraction form
    5,112.14/7,053.99 = 2,873.90/x
  3. Step 3: Cross multiply
    5,112.14x = 7,053.99 × 2,873.90
  4. Step 4: Simplify right side
    5,112.14x = 20,272,426.59
  5. Step 5: Solve for x
    x = 20,272,426.59/5,112.14
  6. Step 6: Final answer
    x = 3,965.55

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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.