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Finding the Fourth Proportional to 5,579.35, 8,370.40 and 2,575.99

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Solution

The fourth proportional to 5,579.35, 8,370.40 and 2,575.99 is: 3,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.35 : 8,370.40 = 2,575.99 : x
  2. Step 2: Convert to fraction form
    5,579.35/8,370.40 = 2,575.99/x
  3. Step 3: Cross multiply
    5,579.35x = 8,370.40 × 2,575.99
  4. Step 4: Simplify right side
    5,579.35x = 21,562,021.22
  5. Step 5: Solve for x
    x = 21,562,021.22/5,579.35
  6. Step 6: Final answer
    x = 3,864.61

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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.