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Finding the Fourth Proportional to 5,630.93, 7,770.90 and 3,739.25

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Solution

The fourth proportional to 5,630.93, 7,770.90 and 3,739.25 is: 5,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.93 : 7,770.90 = 3,739.25 : x
  2. Step 2: Convert to fraction form
    5,630.93/7,770.90 = 3,739.25/x
  3. Step 3: Cross multiply
    5,630.93x = 7,770.90 × 3,739.25
  4. Step 4: Simplify right side
    5,630.93x = 29,057,280.27
  5. Step 5: Solve for x
    x = 29,057,280.27/5,630.93
  6. Step 6: Final answer
    x = 5,160.30

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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.