Home / 2,631.27-3,630.98-1,512.09

Finding the Fourth Proportional to 2,631.27, 3,630.98 and 1,512.09

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Solution

The fourth proportional to 2,631.27, 3,630.98 and 1,512.09 is: 2,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.27 : 3,630.98 = 1,512.09 : x
  2. Step 2: Convert to fraction form
    2,631.27/3,630.98 = 1,512.09/x
  3. Step 3: Cross multiply
    2,631.27x = 3,630.98 × 1,512.09
  4. Step 4: Simplify right side
    2,631.27x = 5,490,360.99
  5. Step 5: Solve for x
    x = 5,490,360.99/2,631.27
  6. Step 6: Final answer
    x = 2,086.58

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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.