Home / 5,187.96-7,157.16-3,463.80

Finding the Fourth Proportional to 5,187.96, 7,157.16 and 3,463.80

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Solution

The fourth proportional to 5,187.96, 7,157.16 and 3,463.80 is: 4,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.96 : 7,157.16 = 3,463.80 : x
  2. Step 2: Convert to fraction form
    5,187.96/7,157.16 = 3,463.80/x
  3. Step 3: Cross multiply
    5,187.96x = 7,157.16 × 3,463.80
  4. Step 4: Simplify right side
    5,187.96x = 24,790,970.81
  5. Step 5: Solve for x
    x = 24,790,970.81/5,187.96
  6. Step 6: Final answer
    x = 4,778.56

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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.