Home / 4,550.12-6,830.94-3,870.44

Finding the Fourth Proportional to 4,550.12, 6,830.94 and 3,870.44

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Solution

The fourth proportional to 4,550.12, 6,830.94 and 3,870.44 is: 5,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.12 : 6,830.94 = 3,870.44 : x
  2. Step 2: Convert to fraction form
    4,550.12/6,830.94 = 3,870.44/x
  3. Step 3: Cross multiply
    4,550.12x = 6,830.94 × 3,870.44
  4. Step 4: Simplify right side
    4,550.12x = 26,438,743.41
  5. Step 5: Solve for x
    x = 26,438,743.41/4,550.12
  6. Step 6: Final answer
    x = 5,810.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.