Home / 2,786.84-3,845.64-1,544.84

Finding the Fourth Proportional to 2,786.84, 3,845.64 and 1,544.84

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Solution

The fourth proportional to 2,786.84, 3,845.64 and 1,544.84 is: 2,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.84 : 3,845.64 = 1,544.84 : x
  2. Step 2: Convert to fraction form
    2,786.84/3,845.64 = 1,544.84/x
  3. Step 3: Cross multiply
    2,786.84x = 3,845.64 × 1,544.84
  4. Step 4: Simplify right side
    2,786.84x = 5,940,898.50
  5. Step 5: Solve for x
    x = 5,940,898.50/2,786.84
  6. Step 6: Final answer
    x = 2,131.77

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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.