Home / 4,620.80-6,377.08-2,631.99

Finding the Fourth Proportional to 4,620.80, 6,377.08 and 2,631.99

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Solution

The fourth proportional to 4,620.80, 6,377.08 and 2,631.99 is: 3,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.80 : 6,377.08 = 2,631.99 : x
  2. Step 2: Convert to fraction form
    4,620.80/6,377.08 = 2,631.99/x
  3. Step 3: Cross multiply
    4,620.80x = 6,377.08 × 2,631.99
  4. Step 4: Simplify right side
    4,620.80x = 16,784,433.06
  5. Step 5: Solve for x
    x = 16,784,433.06/4,620.80
  6. Step 6: Final answer
    x = 3,632.37

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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.