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Finding the Fourth Proportional to 5,763.75, 7,953.90 and 3,246.11

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Solution

The fourth proportional to 5,763.75, 7,953.90 and 3,246.11 is: 4,479.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,763.75 : 7,953.90 = 3,246.11 : x
  2. Step 2: Convert to fraction form
    5,763.75/7,953.90 = 3,246.11/x
  3. Step 3: Cross multiply
    5,763.75x = 7,953.90 × 3,246.11
  4. Step 4: Simplify right side
    5,763.75x = 25,819,234.33
  5. Step 5: Solve for x
    x = 25,819,234.33/5,763.75
  6. Step 6: Final answer
    x = 4,479.59

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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.