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Finding the Fourth Proportional to 3,592.55, 5,388.05 and 1,127.05

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Solution

The fourth proportional to 3,592.55, 5,388.05 and 1,127.05 is: 1,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.55 : 5,388.05 = 1,127.05 : x
  2. Step 2: Convert to fraction form
    3,592.55/5,388.05 = 1,127.05/x
  3. Step 3: Cross multiply
    3,592.55x = 5,388.05 × 1,127.05
  4. Step 4: Simplify right side
    3,592.55x = 6,072,601.75
  5. Step 5: Solve for x
    x = 6,072,601.75/3,592.55
  6. Step 6: Final answer
    x = 1,690.33

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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.