Home / 7,020.30-10,515.33-3,316.98

Finding the Fourth Proportional to 7,020.30, 10,515.33 and 3,316.98

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Solution

The fourth proportional to 7,020.30, 10,515.33 and 3,316.98 is: 4,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.30 : 10,515.33 = 3,316.98 : x
  2. Step 2: Convert to fraction form
    7,020.30/10,515.33 = 3,316.98/x
  3. Step 3: Cross multiply
    7,020.30x = 10,515.33 × 3,316.98
  4. Step 4: Simplify right side
    7,020.30x = 34,879,139.30
  5. Step 5: Solve for x
    x = 34,879,139.30/7,020.30
  6. Step 6: Final answer
    x = 4,968.33

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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.