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Finding the Fourth Proportional to 3,597.12, 5,395.62 and 1,000.05

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Solution

The fourth proportional to 3,597.12, 5,395.62 and 1,000.05 is: 1,500.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,597.12 : 5,395.62 = 1,000.05 : x
  2. Step 2: Convert to fraction form
    3,597.12/5,395.62 = 1,000.05/x
  3. Step 3: Cross multiply
    3,597.12x = 5,395.62 × 1,000.05
  4. Step 4: Simplify right side
    3,597.12x = 5,395,889.78
  5. Step 5: Solve for x
    x = 5,395,889.78/3,597.12
  6. Step 6: Final answer
    x = 1,500.06

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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.