Home / 3,195.15-4,792.42-1,440.27

Finding the Fourth Proportional to 3,195.15, 4,792.42 and 1,440.27

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Solution

The fourth proportional to 3,195.15, 4,792.42 and 1,440.27 is: 2,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.15 : 4,792.42 = 1,440.27 : x
  2. Step 2: Convert to fraction form
    3,195.15/4,792.42 = 1,440.27/x
  3. Step 3: Cross multiply
    3,195.15x = 4,792.42 × 1,440.27
  4. Step 4: Simplify right side
    3,195.15x = 6,902,378.75
  5. Step 5: Solve for x
    x = 6,902,378.75/3,195.15
  6. Step 6: Final answer
    x = 2,160.27

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1.5x scale

Why These Related Problems?

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