Home / 5,074.40-7,003.01-2,836.37

Finding the Fourth Proportional to 5,074.40, 7,003.01 and 2,836.37

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Solution

The fourth proportional to 5,074.40, 7,003.01 and 2,836.37 is: 3,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.40 : 7,003.01 = 2,836.37 : x
  2. Step 2: Convert to fraction form
    5,074.40/7,003.01 = 2,836.37/x
  3. Step 3: Cross multiply
    5,074.40x = 7,003.01 × 2,836.37
  4. Step 4: Simplify right side
    5,074.40x = 19,863,078.28
  5. Step 5: Solve for x
    x = 19,863,078.28/5,074.40
  6. Step 6: Final answer
    x = 3,914.37

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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.