Home / 7,954.29-11,931.44-3,022.79

Finding the Fourth Proportional to 7,954.29, 11,931.44 and 3,022.79

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Solution

The fourth proportional to 7,954.29, 11,931.44 and 3,022.79 is: 4,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.29 : 11,931.44 = 3,022.79 : x
  2. Step 2: Convert to fraction form
    7,954.29/11,931.44 = 3,022.79/x
  3. Step 3: Cross multiply
    7,954.29x = 11,931.44 × 3,022.79
  4. Step 4: Simplify right side
    7,954.29x = 36,066,162.75
  5. Step 5: Solve for x
    x = 36,066,162.75/7,954.29
  6. Step 6: Final answer
    x = 4,534.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.