Home / 2,054.91-3,082.70-822.36

Finding the Fourth Proportional to 2,054.91, 3,082.70 and 822.36

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Solution

The fourth proportional to 2,054.91, 3,082.70 and 822.36 is: 1,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.91 : 3,082.70 = 822.36 : x
  2. Step 2: Convert to fraction form
    2,054.91/3,082.70 = 822.36/x
  3. Step 3: Cross multiply
    2,054.91x = 3,082.70 × 822.36
  4. Step 4: Simplify right side
    2,054.91x = 2,535,089.17
  5. Step 5: Solve for x
    x = 2,535,089.17/2,054.91
  6. Step 6: Final answer
    x = 1,233.67

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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.