Home / 2,552.84-3,830.79-1,091.99

Finding the Fourth Proportional to 2,552.84, 3,830.79 and 1,091.99

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Solution

The fourth proportional to 2,552.84, 3,830.79 and 1,091.99 is: 1,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.84 : 3,830.79 = 1,091.99 : x
  2. Step 2: Convert to fraction form
    2,552.84/3,830.79 = 1,091.99/x
  3. Step 3: Cross multiply
    2,552.84x = 3,830.79 × 1,091.99
  4. Step 4: Simplify right side
    2,552.84x = 4,183,184.37
  5. Step 5: Solve for x
    x = 4,183,184.37/2,552.84
  6. Step 6: Final answer
    x = 1,638.64

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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.