Home / 2,884.07-3,979.73-1,765.33

Finding the Fourth Proportional to 2,884.07, 3,979.73 and 1,765.33

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Solution

The fourth proportional to 2,884.07, 3,979.73 and 1,765.33 is: 2,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.07 : 3,979.73 = 1,765.33 : x
  2. Step 2: Convert to fraction form
    2,884.07/3,979.73 = 1,765.33/x
  3. Step 3: Cross multiply
    2,884.07x = 3,979.73 × 1,765.33
  4. Step 4: Simplify right side
    2,884.07x = 7,025,531.22
  5. Step 5: Solve for x
    x = 7,025,531.22/2,884.07
  6. Step 6: Final answer
    x = 2,435.98

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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.