Home / 6,575.40-9,074.16-3,923.04

Finding the Fourth Proportional to 6,575.40, 9,074.16 and 3,923.04

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Solution

The fourth proportional to 6,575.40, 9,074.16 and 3,923.04 is: 5,413.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,575.40 : 9,074.16 = 3,923.04 : x
  2. Step 2: Convert to fraction form
    6,575.40/9,074.16 = 3,923.04/x
  3. Step 3: Cross multiply
    6,575.40x = 9,074.16 × 3,923.04
  4. Step 4: Simplify right side
    6,575.40x = 35,598,292.65
  5. Step 5: Solve for x
    x = 35,598,292.65/6,575.40
  6. Step 6: Final answer
    x = 5,413.86

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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.