Home / 3,096.87-4,274.50-1,917.27

Finding the Fourth Proportional to 3,096.87, 4,274.50 and 1,917.27

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Solution

The fourth proportional to 3,096.87, 4,274.50 and 1,917.27 is: 2,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.87 : 4,274.50 = 1,917.27 : x
  2. Step 2: Convert to fraction form
    3,096.87/4,274.50 = 1,917.27/x
  3. Step 3: Cross multiply
    3,096.87x = 4,274.50 × 1,917.27
  4. Step 4: Simplify right side
    3,096.87x = 8,195,370.62
  5. Step 5: Solve for x
    x = 8,195,370.62/3,096.87
  6. Step 6: Final answer
    x = 2,646.34

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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.