Home / 6,670.94-9,205.99-3,876.44

Finding the Fourth Proportional to 6,670.94, 9,205.99 and 3,876.44

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Solution

The fourth proportional to 6,670.94, 9,205.99 and 3,876.44 is: 5,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.94 : 9,205.99 = 3,876.44 : x
  2. Step 2: Convert to fraction form
    6,670.94/9,205.99 = 3,876.44/x
  3. Step 3: Cross multiply
    6,670.94x = 9,205.99 × 3,876.44
  4. Step 4: Simplify right side
    6,670.94x = 35,686,412.15
  5. Step 5: Solve for x
    x = 35,686,412.15/6,670.94
  6. Step 6: Final answer
    x = 5,349.54

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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.