Home / 3,980.24-5,970.72-2,034.08

Finding the Fourth Proportional to 3,980.24, 5,970.72 and 2,034.08

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Solution

The fourth proportional to 3,980.24, 5,970.72 and 2,034.08 is: 3,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980.24 : 5,970.72 = 2,034.08 : x
  2. Step 2: Convert to fraction form
    3,980.24/5,970.72 = 2,034.08/x
  3. Step 3: Cross multiply
    3,980.24x = 5,970.72 × 2,034.08
  4. Step 4: Simplify right side
    3,980.24x = 12,144,922.14
  5. Step 5: Solve for x
    x = 12,144,922.14/3,980.24
  6. Step 6: Final answer
    x = 3,051.30

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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.