Home / 1,896.16-2,845.06-1,376.74

Finding the Fourth Proportional to 1,896.16, 2,845.06 and 1,376.74

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Solution

The fourth proportional to 1,896.16, 2,845.06 and 1,376.74 is: 2,065.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.16 : 2,845.06 = 1,376.74 : x
  2. Step 2: Convert to fraction form
    1,896.16/2,845.06 = 1,376.74/x
  3. Step 3: Cross multiply
    1,896.16x = 2,845.06 × 1,376.74
  4. Step 4: Simplify right side
    1,896.16x = 3,916,907.90
  5. Step 5: Solve for x
    x = 3,916,907.90/1,896.16
  6. Step 6: Final answer
    x = 2,065.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.