Home / 4,078.25-6,118.44-1,304.98

Finding the Fourth Proportional to 4,078.25, 6,118.44 and 1,304.98

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Solution

The fourth proportional to 4,078.25, 6,118.44 and 1,304.98 is: 1,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.25 : 6,118.44 = 1,304.98 : x
  2. Step 2: Convert to fraction form
    4,078.25/6,118.44 = 1,304.98/x
  3. Step 3: Cross multiply
    4,078.25x = 6,118.44 × 1,304.98
  4. Step 4: Simplify right side
    4,078.25x = 7,984,441.83
  5. Step 5: Solve for x
    x = 7,984,441.83/4,078.25
  6. Step 6: Final answer
    x = 1,957.81

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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.