Home / 3,767.60-5,199.75-2,195.79

Finding the Fourth Proportional to 3,767.60, 5,199.75 and 2,195.79

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Solution

The fourth proportional to 3,767.60, 5,199.75 and 2,195.79 is: 3,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.60 : 5,199.75 = 2,195.79 : x
  2. Step 2: Convert to fraction form
    3,767.60/5,199.75 = 2,195.79/x
  3. Step 3: Cross multiply
    3,767.60x = 5,199.75 × 2,195.79
  4. Step 4: Simplify right side
    3,767.60x = 11,417,559.05
  5. Step 5: Solve for x
    x = 11,417,559.05/3,767.60
  6. Step 6: Final answer
    x = 3,030.46

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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.