Home / 5,749.49-8,622.57-2,238.72

Finding the Fourth Proportional to 5,749.49, 8,622.57 and 2,238.72

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Solution

The fourth proportional to 5,749.49, 8,622.57 and 2,238.72 is: 3,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.49 : 8,622.57 = 2,238.72 : x
  2. Step 2: Convert to fraction form
    5,749.49/8,622.57 = 2,238.72/x
  3. Step 3: Cross multiply
    5,749.49x = 8,622.57 × 2,238.72
  4. Step 4: Simplify right side
    5,749.49x = 19,303,465.60
  5. Step 5: Solve for x
    x = 19,303,465.60/5,749.49
  6. Step 6: Final answer
    x = 3,357.42

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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.