Home / 1,928.92-2,896.90-1,766.26

Finding the Fourth Proportional to 1,928.92, 2,896.90 and 1,766.26

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Solution

The fourth proportional to 1,928.92, 2,896.90 and 1,766.26 is: 2,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.92 : 2,896.90 = 1,766.26 : x
  2. Step 2: Convert to fraction form
    1,928.92/2,896.90 = 1,766.26/x
  3. Step 3: Cross multiply
    1,928.92x = 2,896.90 × 1,766.26
  4. Step 4: Simplify right side
    1,928.92x = 5,116,676.87
  5. Step 5: Solve for x
    x = 5,116,676.87/1,928.92
  6. Step 6: Final answer
    x = 2,652.62

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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.