Home / 3,975.32-5,485.53-2,297.26

Finding the Fourth Proportional to 3,975.32, 5,485.53 and 2,297.26

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Solution

The fourth proportional to 3,975.32, 5,485.53 and 2,297.26 is: 3,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.32 : 5,485.53 = 2,297.26 : x
  2. Step 2: Convert to fraction form
    3,975.32/5,485.53 = 2,297.26/x
  3. Step 3: Cross multiply
    3,975.32x = 5,485.53 × 2,297.26
  4. Step 4: Simplify right side
    3,975.32x = 12,601,688.65
  5. Step 5: Solve for x
    x = 12,601,688.65/3,975.32
  6. Step 6: Final answer
    x = 3,169.98

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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.