Home / 7,413.99-10,235.05-5,731.60

Finding the Fourth Proportional to 7,413.99, 10,235.05 and 5,731.60

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Solution

The fourth proportional to 7,413.99, 10,235.05 and 5,731.60 is: 7,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.99 : 10,235.05 = 5,731.60 : x
  2. Step 2: Convert to fraction form
    7,413.99/10,235.05 = 5,731.60/x
  3. Step 3: Cross multiply
    7,413.99x = 10,235.05 × 5,731.60
  4. Step 4: Simplify right side
    7,413.99x = 58,663,212.58
  5. Step 5: Solve for x
    x = 58,663,212.58/7,413.99
  6. Step 6: Final answer
    x = 7,912.50

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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.