Home / 3,412.56-5,118.81-1,104.06

Finding the Fourth Proportional to 3,412.56, 5,118.81 and 1,104.06

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Solution

The fourth proportional to 3,412.56, 5,118.81 and 1,104.06 is: 1,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.56 : 5,118.81 = 1,104.06 : x
  2. Step 2: Convert to fraction form
    3,412.56/5,118.81 = 1,104.06/x
  3. Step 3: Cross multiply
    3,412.56x = 5,118.81 × 1,104.06
  4. Step 4: Simplify right side
    3,412.56x = 5,651,473.37
  5. Step 5: Solve for x
    x = 5,651,473.37/3,412.56
  6. Step 6: Final answer
    x = 1,656.08

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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.