Home / 3,412.63-5,119.75-1,104.13

Finding the Fourth Proportional to 3,412.63, 5,119.75 and 1,104.13

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Solution

The fourth proportional to 3,412.63, 5,119.75 and 1,104.13 is: 1,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.63 : 5,119.75 = 1,104.13 : x
  2. Step 2: Convert to fraction form
    3,412.63/5,119.75 = 1,104.13/x
  3. Step 3: Cross multiply
    3,412.63x = 5,119.75 × 1,104.13
  4. Step 4: Simplify right side
    3,412.63x = 5,652,843.97
  5. Step 5: Solve for x
    x = 5,652,843.97/3,412.63
  6. Step 6: Final answer
    x = 1,656.45

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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.