Home / 5,413.41-8,123.75-2,452.65

Finding the Fourth Proportional to 5,413.41, 8,123.75 and 2,452.65

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Solution

The fourth proportional to 5,413.41, 8,123.75 and 2,452.65 is: 3,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.41 : 8,123.75 = 2,452.65 : x
  2. Step 2: Convert to fraction form
    5,413.41/8,123.75 = 2,452.65/x
  3. Step 3: Cross multiply
    5,413.41x = 8,123.75 × 2,452.65
  4. Step 4: Simplify right side
    5,413.41x = 19,924,741.88
  5. Step 5: Solve for x
    x = 19,924,741.88/5,413.41
  6. Step 6: Final answer
    x = 3,680.63

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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.