Home / 3,091.23-4,626.81-2,269.32

Finding the Fourth Proportional to 3,091.23, 4,626.81 and 2,269.32

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Solution

The fourth proportional to 3,091.23, 4,626.81 and 2,269.32 is: 3,396.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.23 : 4,626.81 = 2,269.32 : x
  2. Step 2: Convert to fraction form
    3,091.23/4,626.81 = 2,269.32/x
  3. Step 3: Cross multiply
    3,091.23x = 4,626.81 × 2,269.32
  4. Step 4: Simplify right side
    3,091.23x = 10,499,712.47
  5. Step 5: Solve for x
    x = 10,499,712.47/3,091.23
  6. Step 6: Final answer
    x = 3,396.61

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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.