Home / 7,091.80-9,785.83-4,107.23

Finding the Fourth Proportional to 7,091.80, 9,785.83 and 4,107.23

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Solution

The fourth proportional to 7,091.80, 9,785.83 and 4,107.23 is: 5,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.80 : 9,785.83 = 4,107.23 : x
  2. Step 2: Convert to fraction form
    7,091.80/9,785.83 = 4,107.23/x
  3. Step 3: Cross multiply
    7,091.80x = 9,785.83 × 4,107.23
  4. Step 4: Simplify right side
    7,091.80x = 40,192,654.55
  5. Step 5: Solve for x
    x = 40,192,654.55/7,091.80
  6. Step 6: Final answer
    x = 5,667.48

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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.