Home / 3,348.26-4,620.70-2,021.70

Finding the Fourth Proportional to 3,348.26, 4,620.70 and 2,021.70

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Solution

The fourth proportional to 3,348.26, 4,620.70 and 2,021.70 is: 2,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.26 : 4,620.70 = 2,021.70 : x
  2. Step 2: Convert to fraction form
    3,348.26/4,620.70 = 2,021.70/x
  3. Step 3: Cross multiply
    3,348.26x = 4,620.70 × 2,021.70
  4. Step 4: Simplify right side
    3,348.26x = 9,341,669.19
  5. Step 5: Solve for x
    x = 9,341,669.19/3,348.26
  6. Step 6: Final answer
    x = 2,790.01

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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.