Home / 5,209.53-7,189.16-2,851.68

Finding the Fourth Proportional to 5,209.53, 7,189.16 and 2,851.68

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Solution

The fourth proportional to 5,209.53, 7,189.16 and 2,851.68 is: 3,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.53 : 7,189.16 = 2,851.68 : x
  2. Step 2: Convert to fraction form
    5,209.53/7,189.16 = 2,851.68/x
  3. Step 3: Cross multiply
    5,209.53x = 7,189.16 × 2,851.68
  4. Step 4: Simplify right side
    5,209.53x = 20,501,165.82
  5. Step 5: Solve for x
    x = 20,501,165.82/5,209.53
  6. Step 6: Final answer
    x = 3,935.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.