Home / 6,119.73-8,440.43-5,412.33

Finding the Fourth Proportional to 6,119.73, 8,440.43 and 5,412.33

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Solution

The fourth proportional to 6,119.73, 8,440.43 and 5,412.33 is: 7,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.73 : 8,440.43 = 5,412.33 : x
  2. Step 2: Convert to fraction form
    6,119.73/8,440.43 = 5,412.33/x
  3. Step 3: Cross multiply
    6,119.73x = 8,440.43 × 5,412.33
  4. Step 4: Simplify right side
    6,119.73x = 45,682,365.44
  5. Step 5: Solve for x
    x = 45,682,365.44/6,119.73
  6. Step 6: Final answer
    x = 7,464.77

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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.