Home / 7,823.45-11,735.90-2,558.49

Finding the Fourth Proportional to 7,823.45, 11,735.90 and 2,558.49

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Solution

The fourth proportional to 7,823.45, 11,735.90 and 2,558.49 is: 3,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.45 : 11,735.90 = 2,558.49 : x
  2. Step 2: Convert to fraction form
    7,823.45/11,735.90 = 2,558.49/x
  3. Step 3: Cross multiply
    7,823.45x = 11,735.90 × 2,558.49
  4. Step 4: Simplify right side
    7,823.45x = 30,026,173.62
  5. Step 5: Solve for x
    x = 30,026,173.62/7,823.45
  6. Step 6: Final answer
    x = 3,837.97

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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.