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Finding the Fourth Proportional to 5,803.28, 8,007.36 and 3,679.64

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Solution

The fourth proportional to 5,803.28, 8,007.36 and 3,679.64 is: 5,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.28 : 8,007.36 = 3,679.64 : x
  2. Step 2: Convert to fraction form
    5,803.28/8,007.36 = 3,679.64/x
  3. Step 3: Cross multiply
    5,803.28x = 8,007.36 × 3,679.64
  4. Step 4: Simplify right side
    5,803.28x = 29,464,202.15
  5. Step 5: Solve for x
    x = 29,464,202.15/5,803.28
  6. Step 6: Final answer
    x = 5,077.16

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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.