Home / 3,467.98-4,778.85-2,943.10

Finding the Fourth Proportional to 3,467.98, 4,778.85 and 2,943.10

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Solution

The fourth proportional to 3,467.98, 4,778.85 and 2,943.10 is: 4,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.98 : 4,778.85 = 2,943.10 : x
  2. Step 2: Convert to fraction form
    3,467.98/4,778.85 = 2,943.10/x
  3. Step 3: Cross multiply
    3,467.98x = 4,778.85 × 2,943.10
  4. Step 4: Simplify right side
    3,467.98x = 14,064,633.44
  5. Step 5: Solve for x
    x = 14,064,633.44/3,467.98
  6. Step 6: Final answer
    x = 4,055.57

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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.