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Finding the Fourth Proportional to 5,441.64, 7,509.24 and 3,083.64

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Solution

The fourth proportional to 5,441.64, 7,509.24 and 3,083.64 is: 4,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.64 : 7,509.24 = 3,083.64 : x
  2. Step 2: Convert to fraction form
    5,441.64/7,509.24 = 3,083.64/x
  3. Step 3: Cross multiply
    5,441.64x = 7,509.24 × 3,083.64
  4. Step 4: Simplify right side
    5,441.64x = 23,155,792.83
  5. Step 5: Solve for x
    x = 23,155,792.83/5,441.64
  6. Step 6: Final answer
    x = 4,255.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.