Home / 4,942.80-7,413.48-1,655.88

Finding the Fourth Proportional to 4,942.80, 7,413.48 and 1,655.88

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Solution

The fourth proportional to 4,942.80, 7,413.48 and 1,655.88 is: 2,483.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.80 : 7,413.48 = 1,655.88 : x
  2. Step 2: Convert to fraction form
    4,942.80/7,413.48 = 1,655.88/x
  3. Step 3: Cross multiply
    4,942.80x = 7,413.48 × 1,655.88
  4. Step 4: Simplify right side
    4,942.80x = 12,275,833.26
  5. Step 5: Solve for x
    x = 12,275,833.26/4,942.80
  6. Step 6: Final answer
    x = 2,483.58

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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.