Home / 2,835.39-4,224.59-2,676.23

Finding the Fourth Proportional to 2,835.39, 4,224.59 and 2,676.23

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Solution

The fourth proportional to 2,835.39, 4,224.59 and 2,676.23 is: 3,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.39 : 4,224.59 = 2,676.23 : x
  2. Step 2: Convert to fraction form
    2,835.39/4,224.59 = 2,676.23/x
  3. Step 3: Cross multiply
    2,835.39x = 4,224.59 × 2,676.23
  4. Step 4: Simplify right side
    2,835.39x = 11,305,974.50
  5. Step 5: Solve for x
    x = 11,305,974.50/2,835.39
  6. Step 6: Final answer
    x = 3,987.45

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Double scale
Find fourth proportional to 2,836.39, 4,226.08 and 2,677.23
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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.