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Finding the Fourth Proportional to 5,803.90, 8,009.45 and 3,285.79

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Solution

The fourth proportional to 5,803.90, 8,009.45 and 3,285.79 is: 4,534.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.90 : 8,009.45 = 3,285.79 : x
  2. Step 2: Convert to fraction form
    5,803.90/8,009.45 = 3,285.79/x
  3. Step 3: Cross multiply
    5,803.90x = 8,009.45 × 3,285.79
  4. Step 4: Simplify right side
    5,803.90x = 26,317,370.72
  5. Step 5: Solve for x
    x = 26,317,370.72/5,803.90
  6. Step 6: Final answer
    x = 4,534.43

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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.