Home / 5,268.29-7,899.83-2,802.45

Finding the Fourth Proportional to 5,268.29, 7,899.83 and 2,802.45

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Solution

The fourth proportional to 5,268.29, 7,899.83 and 2,802.45 is: 4,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.29 : 7,899.83 = 2,802.45 : x
  2. Step 2: Convert to fraction form
    5,268.29/7,899.83 = 2,802.45/x
  3. Step 3: Cross multiply
    5,268.29x = 7,899.83 × 2,802.45
  4. Step 4: Simplify right side
    5,268.29x = 22,138,860.27
  5. Step 5: Solve for x
    x = 22,138,860.27/5,268.29
  6. Step 6: Final answer
    x = 4,202.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.