Home / 5,821-8,033.79-3,729.58

Finding the Fourth Proportional to 5,821, 8,033.79 and 3,729.58

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Solution

The fourth proportional to 5,821, 8,033.79 and 3,729.58 is: 5,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821 : 8,033.79 = 3,729.58 : x
  2. Step 2: Convert to fraction form
    5,821/8,033.79 = 3,729.58/x
  3. Step 3: Cross multiply
    5,821x = 8,033.79 × 3,729.58
  4. Step 4: Simplify right side
    5,821x = 29,962,662.51
  5. Step 5: Solve for x
    x = 29,962,662.51/5,821
  6. Step 6: Final answer
    x = 5,147.34

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1.5x scale

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.