Home / 3,004.64-4,147.46-1,982.68

Finding the Fourth Proportional to 3,004.64, 4,147.46 and 1,982.68

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Solution

The fourth proportional to 3,004.64, 4,147.46 and 1,982.68 is: 2,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.64 : 4,147.46 = 1,982.68 : x
  2. Step 2: Convert to fraction form
    3,004.64/4,147.46 = 1,982.68/x
  3. Step 3: Cross multiply
    3,004.64x = 4,147.46 × 1,982.68
  4. Step 4: Simplify right side
    3,004.64x = 8,223,085.99
  5. Step 5: Solve for x
    x = 8,223,085.99/3,004.64
  6. Step 6: Final answer
    x = 2,736.80

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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.