Home / 4,432.82-6,112.64-3,312

Finding the Fourth Proportional to 4,432.82, 6,112.64 and 3,312

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Solution

The fourth proportional to 4,432.82, 6,112.64 and 3,312 is: 4,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,432.82 : 6,112.64 = 3,312 : x
  2. Step 2: Convert to fraction form
    4,432.82/6,112.64 = 3,312/x
  3. Step 3: Cross multiply
    4,432.82x = 6,112.64 × 3,312
  4. Step 4: Simplify right side
    4,432.82x = 20,245,063.68
  5. Step 5: Solve for x
    x = 20,245,063.68/4,432.82
  6. Step 6: Final answer
    x = 4,567.08

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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.