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Finding the Fourth Proportional to 4,937.90, 7,410.49 and 3,975.62

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Solution

The fourth proportional to 4,937.90, 7,410.49 and 3,975.62 is: 5,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.90 : 7,410.49 = 3,975.62 : x
  2. Step 2: Convert to fraction form
    4,937.90/7,410.49 = 3,975.62/x
  3. Step 3: Cross multiply
    4,937.90x = 7,410.49 × 3,975.62
  4. Step 4: Simplify right side
    4,937.90x = 29,461,245.26
  5. Step 5: Solve for x
    x = 29,461,245.26/4,937.90
  6. Step 6: Final answer
    x = 5,966.36

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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.