Home / 4,820.75-7,231.13-1,172.75

Finding the Fourth Proportional to 4,820.75, 7,231.13 and 1,172.75

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Solution

The fourth proportional to 4,820.75, 7,231.13 and 1,172.75 is: 1,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.75 : 7,231.13 = 1,172.75 : x
  2. Step 2: Convert to fraction form
    4,820.75/7,231.13 = 1,172.75/x
  3. Step 3: Cross multiply
    4,820.75x = 7,231.13 × 1,172.75
  4. Step 4: Simplify right side
    4,820.75x = 8,480,307.71
  5. Step 5: Solve for x
    x = 8,480,307.71/4,820.75
  6. Step 6: Final answer
    x = 1,759.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.