Home / 4,979.53-7,468.93-1,858.33

Finding the Fourth Proportional to 4,979.53, 7,468.93 and 1,858.33

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Solution

The fourth proportional to 4,979.53, 7,468.93 and 1,858.33 is: 2,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.53 : 7,468.93 = 1,858.33 : x
  2. Step 2: Convert to fraction form
    4,979.53/7,468.93 = 1,858.33/x
  3. Step 3: Cross multiply
    4,979.53x = 7,468.93 × 1,858.33
  4. Step 4: Simplify right side
    4,979.53x = 13,879,736.69
  5. Step 5: Solve for x
    x = 13,879,736.69/4,979.53
  6. Step 6: Final answer
    x = 2,787.36

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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.