Home / 7,100.99-10,651.52-2,170.61

Finding the Fourth Proportional to 7,100.99, 10,651.52 and 2,170.61

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Solution

The fourth proportional to 7,100.99, 10,651.52 and 2,170.61 is: 3,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.99 : 10,651.52 = 2,170.61 : x
  2. Step 2: Convert to fraction form
    7,100.99/10,651.52 = 2,170.61/x
  3. Step 3: Cross multiply
    7,100.99x = 10,651.52 × 2,170.61
  4. Step 4: Simplify right side
    7,100.99x = 23,120,284.97
  5. Step 5: Solve for x
    x = 23,120,284.97/7,100.99
  6. Step 6: Final answer
    x = 3,255.92

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Double scale
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Similar ratio
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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.