Home / 3,923.75-5,885.63-1,326.89

Finding the Fourth Proportional to 3,923.75, 5,885.63 and 1,326.89

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Solution

The fourth proportional to 3,923.75, 5,885.63 and 1,326.89 is: 1,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.75 : 5,885.63 = 1,326.89 : x
  2. Step 2: Convert to fraction form
    3,923.75/5,885.63 = 1,326.89/x
  3. Step 3: Cross multiply
    3,923.75x = 5,885.63 × 1,326.89
  4. Step 4: Simplify right side
    3,923.75x = 7,809,583.59
  5. Step 5: Solve for x
    x = 7,809,583.59/3,923.75
  6. Step 6: Final answer
    x = 1,990.34

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Similar ratio
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1.5x scale

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.