Home / 3,833.51-5,289.36-2,772.83

Finding the Fourth Proportional to 3,833.51, 5,289.36 and 2,772.83

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Solution

The fourth proportional to 3,833.51, 5,289.36 and 2,772.83 is: 3,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.51 : 5,289.36 = 2,772.83 : x
  2. Step 2: Convert to fraction form
    3,833.51/5,289.36 = 2,772.83/x
  3. Step 3: Cross multiply
    3,833.51x = 5,289.36 × 2,772.83
  4. Step 4: Simplify right side
    3,833.51x = 14,666,496.09
  5. Step 5: Solve for x
    x = 14,666,496.09/3,833.51
  6. Step 6: Final answer
    x = 3,825.87

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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.