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Finding the Fourth Proportional to 5,805.74, 8,012.09 and 3,153.32

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Solution

The fourth proportional to 5,805.74, 8,012.09 and 3,153.32 is: 4,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.74 : 8,012.09 = 3,153.32 : x
  2. Step 2: Convert to fraction form
    5,805.74/8,012.09 = 3,153.32/x
  3. Step 3: Cross multiply
    5,805.74x = 8,012.09 × 3,153.32
  4. Step 4: Simplify right side
    5,805.74x = 25,264,661.37
  5. Step 5: Solve for x
    x = 25,264,661.37/5,805.74
  6. Step 6: Final answer
    x = 4,351.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.