Home / 3,749.42-5,622.23-1,283.38

Finding the Fourth Proportional to 3,749.42, 5,622.23 and 1,283.38

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Solution

The fourth proportional to 3,749.42, 5,622.23 and 1,283.38 is: 1,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.42 : 5,622.23 = 1,283.38 : x
  2. Step 2: Convert to fraction form
    3,749.42/5,622.23 = 1,283.38/x
  3. Step 3: Cross multiply
    3,749.42x = 5,622.23 × 1,283.38
  4. Step 4: Simplify right side
    3,749.42x = 7,215,446.69
  5. Step 5: Solve for x
    x = 7,215,446.69/3,749.42
  6. Step 6: Final answer
    x = 1,924.42

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1.5x scale

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.