Home / 7,107.03-10,660.55-3,157.36

Finding the Fourth Proportional to 7,107.03, 10,660.55 and 3,157.36

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Solution

The fourth proportional to 7,107.03, 10,660.55 and 3,157.36 is: 4,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.03 : 10,660.55 = 3,157.36 : x
  2. Step 2: Convert to fraction form
    7,107.03/10,660.55 = 3,157.36/x
  3. Step 3: Cross multiply
    7,107.03x = 10,660.55 × 3,157.36
  4. Step 4: Simplify right side
    7,107.03x = 33,659,194.15
  5. Step 5: Solve for x
    x = 33,659,194.15/7,107.03
  6. Step 6: Final answer
    x = 4,736.04

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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.