Home / 3,061.28-4,224.57-1,664.03

Finding the Fourth Proportional to 3,061.28, 4,224.57 and 1,664.03

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Solution

The fourth proportional to 3,061.28, 4,224.57 and 1,664.03 is: 2,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.28 : 4,224.57 = 1,664.03 : x
  2. Step 2: Convert to fraction form
    3,061.28/4,224.57 = 1,664.03/x
  3. Step 3: Cross multiply
    3,061.28x = 4,224.57 × 1,664.03
  4. Step 4: Simplify right side
    3,061.28x = 7,029,811.22
  5. Step 5: Solve for x
    x = 7,029,811.22/3,061.28
  6. Step 6: Final answer
    x = 2,296.36

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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.