Home / 2,681.24-4,021.50-733.34

Finding the Fourth Proportional to 2,681.24, 4,021.50 and 733.34

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Solution

The fourth proportional to 2,681.24, 4,021.50 and 733.34 is: 1,099.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.24 : 4,021.50 = 733.34 : x
  2. Step 2: Convert to fraction form
    2,681.24/4,021.50 = 733.34/x
  3. Step 3: Cross multiply
    2,681.24x = 4,021.50 × 733.34
  4. Step 4: Simplify right side
    2,681.24x = 2,949,126.81
  5. Step 5: Solve for x
    x = 2,949,126.81/2,681.24
  6. Step 6: Final answer
    x = 1,099.91

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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.