Home / 3,786.51-5,665.05-2,548.02

Finding the Fourth Proportional to 3,786.51, 5,665.05 and 2,548.02

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Solution

The fourth proportional to 3,786.51, 5,665.05 and 2,548.02 is: 3,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.51 : 5,665.05 = 2,548.02 : x
  2. Step 2: Convert to fraction form
    3,786.51/5,665.05 = 2,548.02/x
  3. Step 3: Cross multiply
    3,786.51x = 5,665.05 × 2,548.02
  4. Step 4: Simplify right side
    3,786.51x = 14,434,660.70
  5. Step 5: Solve for x
    x = 14,434,660.70/3,786.51
  6. Step 6: Final answer
    x = 3,812.13

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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.