Home / 2,787.67-4,181.59-1,033.11

Finding the Fourth Proportional to 2,787.67, 4,181.59 and 1,033.11

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Solution

The fourth proportional to 2,787.67, 4,181.59 and 1,033.11 is: 1,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.67 : 4,181.59 = 1,033.11 : x
  2. Step 2: Convert to fraction form
    2,787.67/4,181.59 = 1,033.11/x
  3. Step 3: Cross multiply
    2,787.67x = 4,181.59 × 1,033.11
  4. Step 4: Simplify right side
    2,787.67x = 4,320,032.02
  5. Step 5: Solve for x
    x = 4,320,032.02/2,787.67
  6. Step 6: Final answer
    x = 1,549.70

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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.