Home / 7,023.46-9,692.58-3,879.58

Finding the Fourth Proportional to 7,023.46, 9,692.58 and 3,879.58

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Solution

The fourth proportional to 7,023.46, 9,692.58 and 3,879.58 is: 5,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.46 : 9,692.58 = 3,879.58 : x
  2. Step 2: Convert to fraction form
    7,023.46/9,692.58 = 3,879.58/x
  3. Step 3: Cross multiply
    7,023.46x = 9,692.58 × 3,879.58
  4. Step 4: Simplify right side
    7,023.46x = 37,603,139.52
  5. Step 5: Solve for x
    x = 37,603,139.52/7,023.46
  6. Step 6: Final answer
    x = 5,353.93

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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.