Home / 2,229.77-3,316.59-2,222.26

Finding the Fourth Proportional to 2,229.77, 3,316.59 and 2,222.26

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Solution

The fourth proportional to 2,229.77, 3,316.59 and 2,222.26 is: 3,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.77 : 3,316.59 = 2,222.26 : x
  2. Step 2: Convert to fraction form
    2,229.77/3,316.59 = 2,222.26/x
  3. Step 3: Cross multiply
    2,229.77x = 3,316.59 × 2,222.26
  4. Step 4: Simplify right side
    2,229.77x = 7,370,317.00
  5. Step 5: Solve for x
    x = 7,370,317.00/2,229.77
  6. Step 6: Final answer
    x = 3,305.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.