Home / 6,653.13-9,181.79-3,821.33

Finding the Fourth Proportional to 6,653.13, 9,181.79 and 3,821.33

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Solution

The fourth proportional to 6,653.13, 9,181.79 and 3,821.33 is: 5,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.13 : 9,181.79 = 3,821.33 : x
  2. Step 2: Convert to fraction form
    6,653.13/9,181.79 = 3,821.33/x
  3. Step 3: Cross multiply
    6,653.13x = 9,181.79 × 3,821.33
  4. Step 4: Simplify right side
    6,653.13x = 35,086,613.23
  5. Step 5: Solve for x
    x = 35,086,613.23/6,653.13
  6. Step 6: Final answer
    x = 5,273.70

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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.