Home / 3,281.01-4,922.51-1,172.36

Finding the Fourth Proportional to 3,281.01, 4,922.51 and 1,172.36

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Solution

The fourth proportional to 3,281.01, 4,922.51 and 1,172.36 is: 1,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.01 : 4,922.51 = 1,172.36 : x
  2. Step 2: Convert to fraction form
    3,281.01/4,922.51 = 1,172.36/x
  3. Step 3: Cross multiply
    3,281.01x = 4,922.51 × 1,172.36
  4. Step 4: Simplify right side
    3,281.01x = 5,770,940.20
  5. Step 5: Solve for x
    x = 5,770,940.20/3,281.01
  6. Step 6: Final answer
    x = 1,758.89

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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.