Home / 2,188.25-3,025.19-2,096.45

Finding the Fourth Proportional to 2,188.25, 3,025.19 and 2,096.45

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Solution

The fourth proportional to 2,188.25, 3,025.19 and 2,096.45 is: 2,898.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.25 : 3,025.19 = 2,096.45 : x
  2. Step 2: Convert to fraction form
    2,188.25/3,025.19 = 2,096.45/x
  3. Step 3: Cross multiply
    2,188.25x = 3,025.19 × 2,096.45
  4. Step 4: Simplify right side
    2,188.25x = 6,342,149.09
  5. Step 5: Solve for x
    x = 6,342,149.09/2,188.25
  6. Step 6: Final answer
    x = 2,898.27

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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.