Home / 3,109.49-4,664.69-1,466.51

Finding the Fourth Proportional to 3,109.49, 4,664.69 and 1,466.51

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Solution

The fourth proportional to 3,109.49, 4,664.69 and 1,466.51 is: 2,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.49 : 4,664.69 = 1,466.51 : x
  2. Step 2: Convert to fraction form
    3,109.49/4,664.69 = 1,466.51/x
  3. Step 3: Cross multiply
    3,109.49x = 4,664.69 × 1,466.51
  4. Step 4: Simplify right side
    3,109.49x = 6,840,789.38
  5. Step 5: Solve for x
    x = 6,840,789.38/3,109.49
  6. Step 6: Final answer
    x = 2,199.97

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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.