Home / 3,251.46-4,851.38-3,176.80

Finding the Fourth Proportional to 3,251.46, 4,851.38 and 3,176.80

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Solution

The fourth proportional to 3,251.46, 4,851.38 and 3,176.80 is: 4,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.46 : 4,851.38 = 3,176.80 : x
  2. Step 2: Convert to fraction form
    3,251.46/4,851.38 = 3,176.80/x
  3. Step 3: Cross multiply
    3,251.46x = 4,851.38 × 3,176.80
  4. Step 4: Simplify right side
    3,251.46x = 15,411,863.98
  5. Step 5: Solve for x
    x = 15,411,863.98/3,251.46
  6. Step 6: Final answer
    x = 4,739.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.