Home / 3,316.09-4,974.14-1,584.31

Finding the Fourth Proportional to 3,316.09, 4,974.14 and 1,584.31

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Solution

The fourth proportional to 3,316.09, 4,974.14 and 1,584.31 is: 2,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.09 : 4,974.14 = 1,584.31 : x
  2. Step 2: Convert to fraction form
    3,316.09/4,974.14 = 1,584.31/x
  3. Step 3: Cross multiply
    3,316.09x = 4,974.14 × 1,584.31
  4. Step 4: Simplify right side
    3,316.09x = 7,880,579.74
  5. Step 5: Solve for x
    x = 7,880,579.74/3,316.09
  6. Step 6: Final answer
    x = 2,376.47

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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.