Home / 3,109.98-4,664.96-1,029.98

Finding the Fourth Proportional to 3,109.98, 4,664.96 and 1,029.98

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Solution

The fourth proportional to 3,109.98, 4,664.96 and 1,029.98 is: 1,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.98 : 4,664.96 = 1,029.98 : x
  2. Step 2: Convert to fraction form
    3,109.98/4,664.96 = 1,029.98/x
  3. Step 3: Cross multiply
    3,109.98x = 4,664.96 × 1,029.98
  4. Step 4: Simplify right side
    3,109.98x = 4,804,830.42
  5. Step 5: Solve for x
    x = 4,804,830.42/3,109.98
  6. Step 6: Final answer
    x = 1,544.97

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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.