Home / 3,605.13-5,408.60-1,008.06

Finding the Fourth Proportional to 3,605.13, 5,408.60 and 1,008.06

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Solution

The fourth proportional to 3,605.13, 5,408.60 and 1,008.06 is: 1,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.13 : 5,408.60 = 1,008.06 : x
  2. Step 2: Convert to fraction form
    3,605.13/5,408.60 = 1,008.06/x
  3. Step 3: Cross multiply
    3,605.13x = 5,408.60 × 1,008.06
  4. Step 4: Simplify right side
    3,605.13x = 5,452,193.32
  5. Step 5: Solve for x
    x = 5,452,193.32/3,605.13
  6. Step 6: Final answer
    x = 1,512.34

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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.