Home / 7,101.43-10,651.71-2,170.63

Finding the Fourth Proportional to 7,101.43, 10,651.71 and 2,170.63

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Solution

The fourth proportional to 7,101.43, 10,651.71 and 2,170.63 is: 3,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.43 : 10,651.71 = 2,170.63 : x
  2. Step 2: Convert to fraction form
    7,101.43/10,651.71 = 2,170.63/x
  3. Step 3: Cross multiply
    7,101.43x = 10,651.71 × 2,170.63
  4. Step 4: Simplify right side
    7,101.43x = 23,120,921.28
  5. Step 5: Solve for x
    x = 23,120,921.28/7,101.43
  6. Step 6: Final answer
    x = 3,255.81

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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.