Home / 5,413.47-7,470.73-3,316.38

Finding the Fourth Proportional to 5,413.47, 7,470.73 and 3,316.38

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Solution

The fourth proportional to 5,413.47, 7,470.73 and 3,316.38 is: 4,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.47 : 7,470.73 = 3,316.38 : x
  2. Step 2: Convert to fraction form
    5,413.47/7,470.73 = 3,316.38/x
  3. Step 3: Cross multiply
    5,413.47x = 7,470.73 × 3,316.38
  4. Step 4: Simplify right side
    5,413.47x = 24,775,779.56
  5. Step 5: Solve for x
    x = 24,775,779.56/5,413.47
  6. Step 6: Final answer
    x = 4,576.69

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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.