Home / 3,994-5,984.36-2,822.08

Finding the Fourth Proportional to 3,994, 5,984.36 and 2,822.08

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Solution

The fourth proportional to 3,994, 5,984.36 and 2,822.08 is: 4,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994 : 5,984.36 = 2,822.08 : x
  2. Step 2: Convert to fraction form
    3,994/5,984.36 = 2,822.08/x
  3. Step 3: Cross multiply
    3,994x = 5,984.36 × 2,822.08
  4. Step 4: Simplify right side
    3,994x = 16,888,342.67
  5. Step 5: Solve for x
    x = 16,888,342.67/3,994
  6. Step 6: Final answer
    x = 4,228.43

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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.