Home / 3,388.62-4,676.59-1,896.51

Finding the Fourth Proportional to 3,388.62, 4,676.59 and 1,896.51

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Solution

The fourth proportional to 3,388.62, 4,676.59 and 1,896.51 is: 2,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.62 : 4,676.59 = 1,896.51 : x
  2. Step 2: Convert to fraction form
    3,388.62/4,676.59 = 1,896.51/x
  3. Step 3: Cross multiply
    3,388.62x = 4,676.59 × 1,896.51
  4. Step 4: Simplify right side
    3,388.62x = 8,869,208.94
  5. Step 5: Solve for x
    x = 8,869,208.94/3,388.62
  6. Step 6: Final answer
    x = 2,617.35

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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.