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Finding the Fourth Proportional to 4,245.94, 5,840.76 and 4,004.02

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Solution

The fourth proportional to 4,245.94, 5,840.76 and 4,004.02 is: 5,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.94 : 5,840.76 = 4,004.02 : x
  2. Step 2: Convert to fraction form
    4,245.94/5,840.76 = 4,004.02/x
  3. Step 3: Cross multiply
    4,245.94x = 5,840.76 × 4,004.02
  4. Step 4: Simplify right side
    4,245.94x = 23,386,519.86
  5. Step 5: Solve for x
    x = 23,386,519.86/4,245.94
  6. Step 6: Final answer
    x = 5,507.97

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Half scale
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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.