Home / 5,199.29-7,798.78-2,078.36

Finding the Fourth Proportional to 5,199.29, 7,798.78 and 2,078.36

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Solution

The fourth proportional to 5,199.29, 7,798.78 and 2,078.36 is: 3,117.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.29 : 7,798.78 = 2,078.36 : x
  2. Step 2: Convert to fraction form
    5,199.29/7,798.78 = 2,078.36/x
  3. Step 3: Cross multiply
    5,199.29x = 7,798.78 × 2,078.36
  4. Step 4: Simplify right side
    5,199.29x = 16,208,665.25
  5. Step 5: Solve for x
    x = 16,208,665.25/5,199.29
  6. Step 6: Final answer
    x = 3,117.48

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