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Finding the Fourth Proportional to 5,387.04, 8,080.48 and 1,739.04

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Solution

The fourth proportional to 5,387.04, 8,080.48 and 1,739.04 is: 2,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.04 : 8,080.48 = 1,739.04 : x
  2. Step 2: Convert to fraction form
    5,387.04/8,080.48 = 1,739.04/x
  3. Step 3: Cross multiply
    5,387.04x = 8,080.48 × 1,739.04
  4. Step 4: Simplify right side
    5,387.04x = 14,052,277.94
  5. Step 5: Solve for x
    x = 14,052,277.94/5,387.04
  6. Step 6: Final answer
    x = 2,608.53

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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.