Home / 2,975.46-4,102.44-2,443.68

Finding the Fourth Proportional to 2,975.46, 4,102.44 and 2,443.68

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Solution

The fourth proportional to 2,975.46, 4,102.44 and 2,443.68 is: 3,369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.46 : 4,102.44 = 2,443.68 : x
  2. Step 2: Convert to fraction form
    2,975.46/4,102.44 = 2,443.68/x
  3. Step 3: Cross multiply
    2,975.46x = 4,102.44 × 2,443.68
  4. Step 4: Simplify right side
    2,975.46x = 10,025,050.58
  5. Step 5: Solve for x
    x = 10,025,050.58/2,975.46
  6. Step 6: Final answer
    x = 3,369.24

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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.