Home / 2,301.30-3,169.80-1,880.10

Finding the Fourth Proportional to 2,301.30, 3,169.80 and 1,880.10

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Solution

The fourth proportional to 2,301.30, 3,169.80 and 1,880.10 is: 2,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.30 : 3,169.80 = 1,880.10 : x
  2. Step 2: Convert to fraction form
    2,301.30/3,169.80 = 1,880.10/x
  3. Step 3: Cross multiply
    2,301.30x = 3,169.80 × 1,880.10
  4. Step 4: Simplify right side
    2,301.30x = 5,959,540.98
  5. Step 5: Solve for x
    x = 5,959,540.98/2,301.30
  6. Step 6: Final answer
    x = 2,589.64

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