Home / 5,413.60-7,470.74-3,055.70

Finding the Fourth Proportional to 5,413.60, 7,470.74 and 3,055.70

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Solution

The fourth proportional to 5,413.60, 7,470.74 and 3,055.70 is: 4,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.60 : 7,470.74 = 3,055.70 : x
  2. Step 2: Convert to fraction form
    5,413.60/7,470.74 = 3,055.70/x
  3. Step 3: Cross multiply
    5,413.60x = 7,470.74 × 3,055.70
  4. Step 4: Simplify right side
    5,413.60x = 22,828,340.22
  5. Step 5: Solve for x
    x = 22,828,340.22/5,413.60
  6. Step 6: Final answer
    x = 4,216.85

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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.