Home / 2,639.35-3,641.83-1,505.02

Finding the Fourth Proportional to 2,639.35, 3,641.83 and 1,505.02

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Solution

The fourth proportional to 2,639.35, 3,641.83 and 1,505.02 is: 2,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.35 : 3,641.83 = 1,505.02 : x
  2. Step 2: Convert to fraction form
    2,639.35/3,641.83 = 1,505.02/x
  3. Step 3: Cross multiply
    2,639.35x = 3,641.83 × 1,505.02
  4. Step 4: Simplify right side
    2,639.35x = 5,481,026.99
  5. Step 5: Solve for x
    x = 5,481,026.99/2,639.35
  6. Step 6: Final answer
    x = 2,076.66

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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.