Home / 4,243.36-5,855.52-2,380

Finding the Fourth Proportional to 4,243.36, 5,855.52 and 2,380

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Solution

The fourth proportional to 4,243.36, 5,855.52 and 2,380 is: 3,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.36 : 5,855.52 = 2,380 : x
  2. Step 2: Convert to fraction form
    4,243.36/5,855.52 = 2,380/x
  3. Step 3: Cross multiply
    4,243.36x = 5,855.52 × 2,380
  4. Step 4: Simplify right side
    4,243.36x = 13,936,137.60
  5. Step 5: Solve for x
    x = 13,936,137.60/4,243.36
  6. Step 6: Final answer
    x = 3,284.22

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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.