Home / 7,023.58-9,692.35-3,879.70

Finding the Fourth Proportional to 7,023.58, 9,692.35 and 3,879.70

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Solution

The fourth proportional to 7,023.58, 9,692.35 and 3,879.70 is: 5,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.58 : 9,692.35 = 3,879.70 : x
  2. Step 2: Convert to fraction form
    7,023.58/9,692.35 = 3,879.70/x
  3. Step 3: Cross multiply
    7,023.58x = 9,692.35 × 3,879.70
  4. Step 4: Simplify right side
    7,023.58x = 37,603,410.30
  5. Step 5: Solve for x
    x = 37,603,410.30/7,023.58
  6. Step 6: Final answer
    x = 5,353.88

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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.