Home / 7,091.56-9,787.26-4,107.52

Finding the Fourth Proportional to 7,091.56, 9,787.26 and 4,107.52

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Solution

The fourth proportional to 7,091.56, 9,787.26 and 4,107.52 is: 5,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.56 : 9,787.26 = 4,107.52 : x
  2. Step 2: Convert to fraction form
    7,091.56/9,787.26 = 4,107.52/x
  3. Step 3: Cross multiply
    7,091.56x = 9,787.26 × 4,107.52
  4. Step 4: Simplify right side
    7,091.56x = 40,201,366.20
  5. Step 5: Solve for x
    x = 40,201,366.20/7,091.56
  6. Step 6: Final answer
    x = 5,668.90

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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.