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Finding the Fourth Proportional to 5,873.36, 8,104.32 and 3,515

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Solution

The fourth proportional to 5,873.36, 8,104.32 and 3,515 is: 4,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.36 : 8,104.32 = 3,515 : x
  2. Step 2: Convert to fraction form
    5,873.36/8,104.32 = 3,515/x
  3. Step 3: Cross multiply
    5,873.36x = 8,104.32 × 3,515
  4. Step 4: Simplify right side
    5,873.36x = 28,486,684.80
  5. Step 5: Solve for x
    x = 28,486,684.80/5,873.36
  6. Step 6: Final answer
    x = 4,850.15

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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.