Home / 2,033.84-2,807.91-1,288.44

Finding the Fourth Proportional to 2,033.84, 2,807.91 and 1,288.44

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Solution

The fourth proportional to 2,033.84, 2,807.91 and 1,288.44 is: 1,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.84 : 2,807.91 = 1,288.44 : x
  2. Step 2: Convert to fraction form
    2,033.84/2,807.91 = 1,288.44/x
  3. Step 3: Cross multiply
    2,033.84x = 2,807.91 × 1,288.44
  4. Step 4: Simplify right side
    2,033.84x = 3,617,803.08
  5. Step 5: Solve for x
    x = 3,617,803.08/2,033.84
  6. Step 6: Final answer
    x = 1,778.81

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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.