Home / 5,287.81-7,297.09-3,049.51

Finding the Fourth Proportional to 5,287.81, 7,297.09 and 3,049.51

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Solution

The fourth proportional to 5,287.81, 7,297.09 and 3,049.51 is: 4,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.81 : 7,297.09 = 3,049.51 : x
  2. Step 2: Convert to fraction form
    5,287.81/7,297.09 = 3,049.51/x
  3. Step 3: Cross multiply
    5,287.81x = 7,297.09 × 3,049.51
  4. Step 4: Simplify right side
    5,287.81x = 22,252,548.93
  5. Step 5: Solve for x
    x = 22,252,548.93/5,287.81
  6. Step 6: Final answer
    x = 4,208.27

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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.