Home / 5,074.96-7,608.06-2,155.36

Finding the Fourth Proportional to 5,074.96, 7,608.06 and 2,155.36

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Solution

The fourth proportional to 5,074.96, 7,608.06 and 2,155.36 is: 3,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.96 : 7,608.06 = 2,155.36 : x
  2. Step 2: Convert to fraction form
    5,074.96/7,608.06 = 2,155.36/x
  3. Step 3: Cross multiply
    5,074.96x = 7,608.06 × 2,155.36
  4. Step 4: Simplify right side
    5,074.96x = 16,398,108.20
  5. Step 5: Solve for x
    x = 16,398,108.20/5,074.96
  6. Step 6: Final answer
    x = 3,231.18

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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.