Home / 4,684.80-7,022.40-2,601.60

Finding the Fourth Proportional to 4,684.80, 7,022.40 and 2,601.60

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Solution

The fourth proportional to 4,684.80, 7,022.40 and 2,601.60 is: 3,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.80 : 7,022.40 = 2,601.60 : x
  2. Step 2: Convert to fraction form
    4,684.80/7,022.40 = 2,601.60/x
  3. Step 3: Cross multiply
    4,684.80x = 7,022.40 × 2,601.60
  4. Step 4: Simplify right side
    4,684.80x = 18,269,475.84
  5. Step 5: Solve for x
    x = 18,269,475.84/4,684.80
  6. Step 6: Final answer
    x = 3,899.73

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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.