Home / 4,685.75-6,467.36-2,983.89

Finding the Fourth Proportional to 4,685.75, 6,467.36 and 2,983.89

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Solution

The fourth proportional to 4,685.75, 6,467.36 and 2,983.89 is: 4,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.75 : 6,467.36 = 2,983.89 : x
  2. Step 2: Convert to fraction form
    4,685.75/6,467.36 = 2,983.89/x
  3. Step 3: Cross multiply
    4,685.75x = 6,467.36 × 2,983.89
  4. Step 4: Simplify right side
    4,685.75x = 19,297,880.57
  5. Step 5: Solve for x
    x = 19,297,880.57/4,685.75
  6. Step 6: Final answer
    x = 4,118.42

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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.