Home / 7,433.89-11,136.58-3,731.78

Finding the Fourth Proportional to 7,433.89, 11,136.58 and 3,731.78

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Solution

The fourth proportional to 7,433.89, 11,136.58 and 3,731.78 is: 5,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.89 : 11,136.58 = 3,731.78 : x
  2. Step 2: Convert to fraction form
    7,433.89/11,136.58 = 3,731.78/x
  3. Step 3: Cross multiply
    7,433.89x = 11,136.58 × 3,731.78
  4. Step 4: Simplify right side
    7,433.89x = 41,559,266.51
  5. Step 5: Solve for x
    x = 41,559,266.51/7,433.89
  6. Step 6: Final answer
    x = 5,590.51

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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.