Home / 3,561.49-4,915.33-2,675.75

Finding the Fourth Proportional to 3,561.49, 4,915.33 and 2,675.75

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Solution

The fourth proportional to 3,561.49, 4,915.33 and 2,675.75 is: 3,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.49 : 4,915.33 = 2,675.75 : x
  2. Step 2: Convert to fraction form
    3,561.49/4,915.33 = 2,675.75/x
  3. Step 3: Cross multiply
    3,561.49x = 4,915.33 × 2,675.75
  4. Step 4: Simplify right side
    3,561.49x = 13,152,205.68
  5. Step 5: Solve for x
    x = 13,152,205.68/3,561.49
  6. Step 6: Final answer
    x = 3,692.90

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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.