Home / 2,296.79-3,168.14-1,912.54

Finding the Fourth Proportional to 2,296.79, 3,168.14 and 1,912.54

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Solution

The fourth proportional to 2,296.79, 3,168.14 and 1,912.54 is: 2,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.79 : 3,168.14 = 1,912.54 : x
  2. Step 2: Convert to fraction form
    2,296.79/3,168.14 = 1,912.54/x
  3. Step 3: Cross multiply
    2,296.79x = 3,168.14 × 1,912.54
  4. Step 4: Simplify right side
    2,296.79x = 6,059,194.48
  5. Step 5: Solve for x
    x = 6,059,194.48/2,296.79
  6. Step 6: Final answer
    x = 2,638.11

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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.