Home / 3,065.04-4,231.44-2,280.96

Finding the Fourth Proportional to 3,065.04, 4,231.44 and 2,280.96

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Solution

The fourth proportional to 3,065.04, 4,231.44 and 2,280.96 is: 3,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.04 : 4,231.44 = 2,280.96 : x
  2. Step 2: Convert to fraction form
    3,065.04/4,231.44 = 2,280.96/x
  3. Step 3: Cross multiply
    3,065.04x = 4,231.44 × 2,280.96
  4. Step 4: Simplify right side
    3,065.04x = 9,651,745.38
  5. Step 5: Solve for x
    x = 9,651,745.38/3,065.04
  6. Step 6: Final answer
    x = 3,148.98

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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.