Home / 3,091.23-4,265.91-1,674.95

Finding the Fourth Proportional to 3,091.23, 4,265.91 and 1,674.95

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Solution

The fourth proportional to 3,091.23, 4,265.91 and 1,674.95 is: 2,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.23 : 4,265.91 = 1,674.95 : x
  2. Step 2: Convert to fraction form
    3,091.23/4,265.91 = 1,674.95/x
  3. Step 3: Cross multiply
    3,091.23x = 4,265.91 × 1,674.95
  4. Step 4: Simplify right side
    3,091.23x = 7,145,164.62
  5. Step 5: Solve for x
    x = 7,145,164.62/3,091.23
  6. Step 6: Final answer
    x = 2,311.43

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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.