Home / 6,413.58-9,621.38-2,715.83

Finding the Fourth Proportional to 6,413.58, 9,621.38 and 2,715.83

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Solution

The fourth proportional to 6,413.58, 9,621.38 and 2,715.83 is: 4,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.58 : 9,621.38 = 2,715.83 : x
  2. Step 2: Convert to fraction form
    6,413.58/9,621.38 = 2,715.83/x
  3. Step 3: Cross multiply
    6,413.58x = 9,621.38 × 2,715.83
  4. Step 4: Simplify right side
    6,413.58x = 26,130,032.45
  5. Step 5: Solve for x
    x = 26,130,032.45/6,413.58
  6. Step 6: Final answer
    x = 4,074.17

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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.