Home / 2,912.05-4,019.44-1,792.83

Finding the Fourth Proportional to 2,912.05, 4,019.44 and 1,792.83

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Solution

The fourth proportional to 2,912.05, 4,019.44 and 1,792.83 is: 2,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.05 : 4,019.44 = 1,792.83 : x
  2. Step 2: Convert to fraction form
    2,912.05/4,019.44 = 1,792.83/x
  3. Step 3: Cross multiply
    2,912.05x = 4,019.44 × 1,792.83
  4. Step 4: Simplify right side
    2,912.05x = 7,206,158.08
  5. Step 5: Solve for x
    x = 7,206,158.08/2,912.05
  6. Step 6: Final answer
    x = 2,474.60

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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.