Home / 2,619-3,612.60-2,096.28

Finding the Fourth Proportional to 2,619, 3,612.60 and 2,096.28

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Solution

The fourth proportional to 2,619, 3,612.60 and 2,096.28 is: 2,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619 : 3,612.60 = 2,096.28 : x
  2. Step 2: Convert to fraction form
    2,619/3,612.60 = 2,096.28/x
  3. Step 3: Cross multiply
    2,619x = 3,612.60 × 2,096.28
  4. Step 4: Simplify right side
    2,619x = 7,573,021.13
  5. Step 5: Solve for x
    x = 7,573,021.13/2,619
  6. Step 6: Final answer
    x = 2,891.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.