Home / 3,722.75-5,584.09-1,776.32

Finding the Fourth Proportional to 3,722.75, 5,584.09 and 1,776.32

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Solution

The fourth proportional to 3,722.75, 5,584.09 and 1,776.32 is: 2,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.75 : 5,584.09 = 1,776.32 : x
  2. Step 2: Convert to fraction form
    3,722.75/5,584.09 = 1,776.32/x
  3. Step 3: Cross multiply
    3,722.75x = 5,584.09 × 1,776.32
  4. Step 4: Simplify right side
    3,722.75x = 9,919,130.75
  5. Step 5: Solve for x
    x = 9,919,130.75/3,722.75
  6. Step 6: Final answer
    x = 2,664.46

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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.