Home / 4,935.36-7,400.82-1,424.58

Finding the Fourth Proportional to 4,935.36, 7,400.82 and 1,424.58

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Solution

The fourth proportional to 4,935.36, 7,400.82 and 1,424.58 is: 2,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.36 : 7,400.82 = 1,424.58 : x
  2. Step 2: Convert to fraction form
    4,935.36/7,400.82 = 1,424.58/x
  3. Step 3: Cross multiply
    4,935.36x = 7,400.82 × 1,424.58
  4. Step 4: Simplify right side
    4,935.36x = 10,543,060.16
  5. Step 5: Solve for x
    x = 10,543,060.16/4,935.36
  6. Step 6: Final answer
    x = 2,136.23

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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.