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Finding the Fourth Proportional to 5,915.96, 8,164.02 and 3,558.26

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Solution

The fourth proportional to 5,915.96, 8,164.02 and 3,558.26 is: 4,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.96 : 8,164.02 = 3,558.26 : x
  2. Step 2: Convert to fraction form
    5,915.96/8,164.02 = 3,558.26/x
  3. Step 3: Cross multiply
    5,915.96x = 8,164.02 × 3,558.26
  4. Step 4: Simplify right side
    5,915.96x = 29,049,705.81
  5. Step 5: Solve for x
    x = 29,049,705.81/5,915.96
  6. Step 6: Final answer
    x = 4,910.40

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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.