Home / 4,744.83-7,121.59-2,406.46

Finding the Fourth Proportional to 4,744.83, 7,121.59 and 2,406.46

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Solution

The fourth proportional to 4,744.83, 7,121.59 and 2,406.46 is: 3,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.83 : 7,121.59 = 2,406.46 : x
  2. Step 2: Convert to fraction form
    4,744.83/7,121.59 = 2,406.46/x
  3. Step 3: Cross multiply
    4,744.83x = 7,121.59 × 2,406.46
  4. Step 4: Simplify right side
    4,744.83x = 17,137,809.68
  5. Step 5: Solve for x
    x = 17,137,809.68/4,744.83
  6. Step 6: Final answer
    x = 3,611.89

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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.