Home / 5,372.83-7,413.19-4,115.31

Finding the Fourth Proportional to 5,372.83, 7,413.19 and 4,115.31

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Solution

The fourth proportional to 5,372.83, 7,413.19 and 4,115.31 is: 5,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.83 : 7,413.19 = 4,115.31 : x
  2. Step 2: Convert to fraction form
    5,372.83/7,413.19 = 4,115.31/x
  3. Step 3: Cross multiply
    5,372.83x = 7,413.19 × 4,115.31
  4. Step 4: Simplify right side
    5,372.83x = 30,507,574.94
  5. Step 5: Solve for x
    x = 30,507,574.94/5,372.83
  6. Step 6: Final answer
    x = 5,678.12

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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.