Home / 4,100.76-6,144.78-2,712.60

Finding the Fourth Proportional to 4,100.76, 6,144.78 and 2,712.60

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Solution

The fourth proportional to 4,100.76, 6,144.78 and 2,712.60 is: 4,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.76 : 6,144.78 = 2,712.60 : x
  2. Step 2: Convert to fraction form
    4,100.76/6,144.78 = 2,712.60/x
  3. Step 3: Cross multiply
    4,100.76x = 6,144.78 × 2,712.60
  4. Step 4: Simplify right side
    4,100.76x = 16,668,330.23
  5. Step 5: Solve for x
    x = 16,668,330.23/4,100.76
  6. Step 6: Final answer
    x = 4,064.69

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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.