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Finding the Fourth Proportional to 5,860.45, 8,790.07 and 3,086.00

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Solution

The fourth proportional to 5,860.45, 8,790.07 and 3,086.00 is: 4,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.45 : 8,790.07 = 3,086.00 : x
  2. Step 2: Convert to fraction form
    5,860.45/8,790.07 = 3,086.00/x
  3. Step 3: Cross multiply
    5,860.45x = 8,790.07 × 3,086.00
  4. Step 4: Simplify right side
    5,860.45x = 27,126,126.33
  5. Step 5: Solve for x
    x = 27,126,126.33/5,860.45
  6. Step 6: Final answer
    x = 4,628.68

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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.