Home / 2,116.32-3,170.52-1,887.54

Finding the Fourth Proportional to 2,116.32, 3,170.52 and 1,887.54

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Solution

The fourth proportional to 2,116.32, 3,170.52 and 1,887.54 is: 2,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.32 : 3,170.52 = 1,887.54 : x
  2. Step 2: Convert to fraction form
    2,116.32/3,170.52 = 1,887.54/x
  3. Step 3: Cross multiply
    2,116.32x = 3,170.52 × 1,887.54
  4. Step 4: Simplify right side
    2,116.32x = 5,984,483.32
  5. Step 5: Solve for x
    x = 5,984,483.32/2,116.32
  6. Step 6: Final answer
    x = 2,827.78

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