Home / 7,023.75-9,692.82-3,880.05

Finding the Fourth Proportional to 7,023.75, 9,692.82 and 3,880.05

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Solution

The fourth proportional to 7,023.75, 9,692.82 and 3,880.05 is: 5,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.75 : 9,692.82 = 3,880.05 : x
  2. Step 2: Convert to fraction form
    7,023.75/9,692.82 = 3,880.05/x
  3. Step 3: Cross multiply
    7,023.75x = 9,692.82 × 3,880.05
  4. Step 4: Simplify right side
    7,023.75x = 37,608,626.24
  5. Step 5: Solve for x
    x = 37,608,626.24/7,023.75
  6. Step 6: Final answer
    x = 5,354.49

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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.