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Finding the Fourth Proportional to 5,293.08, 7,939.62 and 4,258.98

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Solution

The fourth proportional to 5,293.08, 7,939.62 and 4,258.98 is: 6,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.08 : 7,939.62 = 4,258.98 : x
  2. Step 2: Convert to fraction form
    5,293.08/7,939.62 = 4,258.98/x
  3. Step 3: Cross multiply
    5,293.08x = 7,939.62 × 4,258.98
  4. Step 4: Simplify right side
    5,293.08x = 33,814,682.79
  5. Step 5: Solve for x
    x = 33,814,682.79/5,293.08
  6. Step 6: Final answer
    x = 6,388.47

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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.