Home / 6,078.09-9,116.66-2,381.16

Finding the Fourth Proportional to 6,078.09, 9,116.66 and 2,381.16

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Solution

The fourth proportional to 6,078.09, 9,116.66 and 2,381.16 is: 3,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.09 : 9,116.66 = 2,381.16 : x
  2. Step 2: Convert to fraction form
    6,078.09/9,116.66 = 2,381.16/x
  3. Step 3: Cross multiply
    6,078.09x = 9,116.66 × 2,381.16
  4. Step 4: Simplify right side
    6,078.09x = 21,708,168.64
  5. Step 5: Solve for x
    x = 21,708,168.64/6,078.09
  6. Step 6: Final answer
    x = 3,571.55

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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.