Home / 3,833.33-5,290.01-2,154.81

Finding the Fourth Proportional to 3,833.33, 5,290.01 and 2,154.81

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Solution

The fourth proportional to 3,833.33, 5,290.01 and 2,154.81 is: 2,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.33 : 5,290.01 = 2,154.81 : x
  2. Step 2: Convert to fraction form
    3,833.33/5,290.01 = 2,154.81/x
  3. Step 3: Cross multiply
    3,833.33x = 5,290.01 × 2,154.81
  4. Step 4: Simplify right side
    3,833.33x = 11,398,966.45
  5. Step 5: Solve for x
    x = 11,398,966.45/3,833.33
  6. Step 6: Final answer
    x = 2,973.65

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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.