Home / 7,100.68-10,650.36-2,171.48

Finding the Fourth Proportional to 7,100.68, 10,650.36 and 2,171.48

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Solution

The fourth proportional to 7,100.68, 10,650.36 and 2,171.48 is: 3,257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.68 : 10,650.36 = 2,171.48 : x
  2. Step 2: Convert to fraction form
    7,100.68/10,650.36 = 2,171.48/x
  3. Step 3: Cross multiply
    7,100.68x = 10,650.36 × 2,171.48
  4. Step 4: Simplify right side
    7,100.68x = 23,127,043.73
  5. Step 5: Solve for x
    x = 23,127,043.73/7,100.68
  6. Step 6: Final answer
    x = 3,257.02

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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.