Home / 7,091.10-9,785.56-4,107.46

Finding the Fourth Proportional to 7,091.10, 9,785.56 and 4,107.46

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Solution

The fourth proportional to 7,091.10, 9,785.56 and 4,107.46 is: 5,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.10 : 9,785.56 = 4,107.46 : x
  2. Step 2: Convert to fraction form
    7,091.10/9,785.56 = 4,107.46/x
  3. Step 3: Cross multiply
    7,091.10x = 9,785.56 × 4,107.46
  4. Step 4: Simplify right side
    7,091.10x = 40,193,796.28
  5. Step 5: Solve for x
    x = 40,193,796.28/7,091.10
  6. Step 6: Final answer
    x = 5,668.20

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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.