Home / 2,971.19-4,453.83-1,408.44

Finding the Fourth Proportional to 2,971.19, 4,453.83 and 1,408.44

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Solution

The fourth proportional to 2,971.19, 4,453.83 and 1,408.44 is: 2,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.19 : 4,453.83 = 1,408.44 : x
  2. Step 2: Convert to fraction form
    2,971.19/4,453.83 = 1,408.44/x
  3. Step 3: Cross multiply
    2,971.19x = 4,453.83 × 1,408.44
  4. Step 4: Simplify right side
    2,971.19x = 6,272,952.33
  5. Step 5: Solve for x
    x = 6,272,952.33/2,971.19
  6. Step 6: Final answer
    x = 2,111.26

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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.