Home / 2,475.16-3,413.20-2,122.32

Finding the Fourth Proportional to 2,475.16, 3,413.20 and 2,122.32

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Solution

The fourth proportional to 2,475.16, 3,413.20 and 2,122.32 is: 2,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.16 : 3,413.20 = 2,122.32 : x
  2. Step 2: Convert to fraction form
    2,475.16/3,413.20 = 2,122.32/x
  3. Step 3: Cross multiply
    2,475.16x = 3,413.20 × 2,122.32
  4. Step 4: Simplify right side
    2,475.16x = 7,243,902.62
  5. Step 5: Solve for x
    x = 7,243,902.62/2,475.16
  6. Step 6: Final answer
    x = 2,926.64

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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.