Home / 6,413.99-8,852.78-3,762.25

Finding the Fourth Proportional to 6,413.99, 8,852.78 and 3,762.25

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Solution

The fourth proportional to 6,413.99, 8,852.78 and 3,762.25 is: 5,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.99 : 8,852.78 = 3,762.25 : x
  2. Step 2: Convert to fraction form
    6,413.99/8,852.78 = 3,762.25/x
  3. Step 3: Cross multiply
    6,413.99x = 8,852.78 × 3,762.25
  4. Step 4: Simplify right side
    6,413.99x = 33,306,330.61
  5. Step 5: Solve for x
    x = 33,306,330.61/6,413.99
  6. Step 6: Final answer
    x = 5,192.77

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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.