Home / 3,909.19-5,863.56-1,717.93

Finding the Fourth Proportional to 3,909.19, 5,863.56 and 1,717.93

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Solution

The fourth proportional to 3,909.19, 5,863.56 and 1,717.93 is: 2,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.19 : 5,863.56 = 1,717.93 : x
  2. Step 2: Convert to fraction form
    3,909.19/5,863.56 = 1,717.93/x
  3. Step 3: Cross multiply
    3,909.19x = 5,863.56 × 1,717.93
  4. Step 4: Simplify right side
    3,909.19x = 10,073,185.63
  5. Step 5: Solve for x
    x = 10,073,185.63/3,909.19
  6. Step 6: Final answer
    x = 2,576.80

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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.