Home / 4,112.50-6,167.99-1,338.35

Finding the Fourth Proportional to 4,112.50, 6,167.99 and 1,338.35

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Solution

The fourth proportional to 4,112.50, 6,167.99 and 1,338.35 is: 2,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.50 : 6,167.99 = 1,338.35 : x
  2. Step 2: Convert to fraction form
    4,112.50/6,167.99 = 1,338.35/x
  3. Step 3: Cross multiply
    4,112.50x = 6,167.99 × 1,338.35
  4. Step 4: Simplify right side
    4,112.50x = 8,254,929.42
  5. Step 5: Solve for x
    x = 8,254,929.42/4,112.50
  6. Step 6: Final answer
    x = 2,007.28

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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.