Home / 3,371.40-4,652.43-1,879.23

Finding the Fourth Proportional to 3,371.40, 4,652.43 and 1,879.23

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Solution

The fourth proportional to 3,371.40, 4,652.43 and 1,879.23 is: 2,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.40 : 4,652.43 = 1,879.23 : x
  2. Step 2: Convert to fraction form
    3,371.40/4,652.43 = 1,879.23/x
  3. Step 3: Cross multiply
    3,371.40x = 4,652.43 × 1,879.23
  4. Step 4: Simplify right side
    3,371.40x = 8,742,986.03
  5. Step 5: Solve for x
    x = 8,742,986.03/3,371.40
  6. Step 6: Final answer
    x = 2,593.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.