Home / 4,847.49-6,689.70-2,751.75

Finding the Fourth Proportional to 4,847.49, 6,689.70 and 2,751.75

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Solution

The fourth proportional to 4,847.49, 6,689.70 and 2,751.75 is: 3,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.49 : 6,689.70 = 2,751.75 : x
  2. Step 2: Convert to fraction form
    4,847.49/6,689.70 = 2,751.75/x
  3. Step 3: Cross multiply
    4,847.49x = 6,689.70 × 2,751.75
  4. Step 4: Simplify right side
    4,847.49x = 18,408,381.98
  5. Step 5: Solve for x
    x = 18,408,381.98/4,847.49
  6. Step 6: Final answer
    x = 3,797.51

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1.5x scale

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.