Home / 1,474.48-2,212.17-825.67

Finding the Fourth Proportional to 1,474.48, 2,212.17 and 825.67

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Solution

The fourth proportional to 1,474.48, 2,212.17 and 825.67 is: 1,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.48 : 2,212.17 = 825.67 : x
  2. Step 2: Convert to fraction form
    1,474.48/2,212.17 = 825.67/x
  3. Step 3: Cross multiply
    1,474.48x = 2,212.17 × 825.67
  4. Step 4: Simplify right side
    1,474.48x = 1,826,522.40
  5. Step 5: Solve for x
    x = 1,826,522.40/1,474.48
  6. Step 6: Final answer
    x = 1,238.76

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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.