Home / 4,905.35-7,362.64-1,788.36

Finding the Fourth Proportional to 4,905.35, 7,362.64 and 1,788.36

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Solution

The fourth proportional to 4,905.35, 7,362.64 and 1,788.36 is: 2,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.35 : 7,362.64 = 1,788.36 : x
  2. Step 2: Convert to fraction form
    4,905.35/7,362.64 = 1,788.36/x
  3. Step 3: Cross multiply
    4,905.35x = 7,362.64 × 1,788.36
  4. Step 4: Simplify right side
    4,905.35x = 13,167,050.87
  5. Step 5: Solve for x
    x = 13,167,050.87/4,905.35
  6. Step 6: Final answer
    x = 2,684.23

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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.