Home / 6,768.06-9,339.20-3,784.02

Finding the Fourth Proportional to 6,768.06, 9,339.20 and 3,784.02

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Solution

The fourth proportional to 6,768.06, 9,339.20 and 3,784.02 is: 5,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.06 : 9,339.20 = 3,784.02 : x
  2. Step 2: Convert to fraction form
    6,768.06/9,339.20 = 3,784.02/x
  3. Step 3: Cross multiply
    6,768.06x = 9,339.20 × 3,784.02
  4. Step 4: Simplify right side
    6,768.06x = 35,339,719.58
  5. Step 5: Solve for x
    x = 35,339,719.58/6,768.06
  6. Step 6: Final answer
    x = 5,221.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.