Home / 2,767.21-4,152.34-1,306.33

Finding the Fourth Proportional to 2,767.21, 4,152.34 and 1,306.33

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Solution

The fourth proportional to 2,767.21, 4,152.34 and 1,306.33 is: 1,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.21 : 4,152.34 = 1,306.33 : x
  2. Step 2: Convert to fraction form
    2,767.21/4,152.34 = 1,306.33/x
  3. Step 3: Cross multiply
    2,767.21x = 4,152.34 × 1,306.33
  4. Step 4: Simplify right side
    2,767.21x = 5,424,326.31
  5. Step 5: Solve for x
    x = 5,424,326.31/2,767.21
  6. Step 6: Final answer
    x = 1,960.21

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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.