Home / 4,520.12-6,226.61-3,929.63

Finding the Fourth Proportional to 4,520.12, 6,226.61 and 3,929.63

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Solution

The fourth proportional to 4,520.12, 6,226.61 and 3,929.63 is: 5,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.12 : 6,226.61 = 3,929.63 : x
  2. Step 2: Convert to fraction form
    4,520.12/6,226.61 = 3,929.63/x
  3. Step 3: Cross multiply
    4,520.12x = 6,226.61 × 3,929.63
  4. Step 4: Simplify right side
    4,520.12x = 24,468,222.67
  5. Step 5: Solve for x
    x = 24,468,222.67/4,520.12
  6. Step 6: Final answer
    x = 5,413.19

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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.