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Finding the Fourth Proportional to 3,586.63, 5,380.36 and 954.24

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Solution

The fourth proportional to 3,586.63, 5,380.36 and 954.24 is: 1,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.63 : 5,380.36 = 954.24 : x
  2. Step 2: Convert to fraction form
    3,586.63/5,380.36 = 954.24/x
  3. Step 3: Cross multiply
    3,586.63x = 5,380.36 × 954.24
  4. Step 4: Simplify right side
    3,586.63x = 5,134,171.32
  5. Step 5: Solve for x
    x = 5,134,171.32/3,586.63
  6. Step 6: Final answer
    x = 1,431.47

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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.