Home / 5,736.25-8,603.27-1,787.55

Finding the Fourth Proportional to 5,736.25, 8,603.27 and 1,787.55

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Solution

The fourth proportional to 5,736.25, 8,603.27 and 1,787.55 is: 2,680.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.25 : 8,603.27 = 1,787.55 : x
  2. Step 2: Convert to fraction form
    5,736.25/8,603.27 = 1,787.55/x
  3. Step 3: Cross multiply
    5,736.25x = 8,603.27 × 1,787.55
  4. Step 4: Simplify right side
    5,736.25x = 15,378,766.35
  5. Step 5: Solve for x
    x = 15,378,766.35/5,736.25
  6. Step 6: Final answer
    x = 2,680.98

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1.5x scale

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.