Home / 2,684.19-4,026.21-736.40

Finding the Fourth Proportional to 2,684.19, 4,026.21 and 736.40

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Solution

The fourth proportional to 2,684.19, 4,026.21 and 736.40 is: 1,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.19 : 4,026.21 = 736.40 : x
  2. Step 2: Convert to fraction form
    2,684.19/4,026.21 = 736.40/x
  3. Step 3: Cross multiply
    2,684.19x = 4,026.21 × 736.40
  4. Step 4: Simplify right side
    2,684.19x = 2,964,880.91
  5. Step 5: Solve for x
    x = 2,964,880.91/2,684.19
  6. Step 6: Final answer
    x = 1,104.57

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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.