Home / 5,051.75-7,577.60-1,764.81

Finding the Fourth Proportional to 5,051.75, 7,577.60 and 1,764.81

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Solution

The fourth proportional to 5,051.75, 7,577.60 and 1,764.81 is: 2,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.75 : 7,577.60 = 1,764.81 : x
  2. Step 2: Convert to fraction form
    5,051.75/7,577.60 = 1,764.81/x
  3. Step 3: Cross multiply
    5,051.75x = 7,577.60 × 1,764.81
  4. Step 4: Simplify right side
    5,051.75x = 13,373,015.43
  5. Step 5: Solve for x
    x = 13,373,015.43/5,051.75
  6. Step 6: Final answer
    x = 2,647.21

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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.