Home / 2,735.02-4,103.25-787.38

Finding the Fourth Proportional to 2,735.02, 4,103.25 and 787.38

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Solution

The fourth proportional to 2,735.02, 4,103.25 and 787.38 is: 1,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.02 : 4,103.25 = 787.38 : x
  2. Step 2: Convert to fraction form
    2,735.02/4,103.25 = 787.38/x
  3. Step 3: Cross multiply
    2,735.02x = 4,103.25 × 787.38
  4. Step 4: Simplify right side
    2,735.02x = 3,230,816.99
  5. Step 5: Solve for x
    x = 3,230,816.99/2,735.02
  6. Step 6: Final answer
    x = 1,181.28

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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.