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Finding the Fourth Proportional to 5,791.15, 8,678.40 and 3,598.60

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Solution

The fourth proportional to 5,791.15, 8,678.40 and 3,598.60 is: 5,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.15 : 8,678.40 = 3,598.60 : x
  2. Step 2: Convert to fraction form
    5,791.15/8,678.40 = 3,598.60/x
  3. Step 3: Cross multiply
    5,791.15x = 8,678.40 × 3,598.60
  4. Step 4: Simplify right side
    5,791.15x = 31,230,090.24
  5. Step 5: Solve for x
    x = 31,230,090.24/5,791.15
  6. Step 6: Final answer
    x = 5,392.73

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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.