Home / 5,745.12-8,620.62-2,460.96

Finding the Fourth Proportional to 5,745.12, 8,620.62 and 2,460.96

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Solution

The fourth proportional to 5,745.12, 8,620.62 and 2,460.96 is: 3,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.12 : 8,620.62 = 2,460.96 : x
  2. Step 2: Convert to fraction form
    5,745.12/8,620.62 = 2,460.96/x
  3. Step 3: Cross multiply
    5,745.12x = 8,620.62 × 2,460.96
  4. Step 4: Simplify right side
    5,745.12x = 21,215,001.00
  5. Step 5: Solve for x
    x = 21,215,001.00/5,745.12
  6. Step 6: Final answer
    x = 3,692.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.