Home / 2,980.98-4,471.20-1,033.08

Finding the Fourth Proportional to 2,980.98, 4,471.20 and 1,033.08

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Solution

The fourth proportional to 2,980.98, 4,471.20 and 1,033.08 is: 1,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.98 : 4,471.20 = 1,033.08 : x
  2. Step 2: Convert to fraction form
    2,980.98/4,471.20 = 1,033.08/x
  3. Step 3: Cross multiply
    2,980.98x = 4,471.20 × 1,033.08
  4. Step 4: Simplify right side
    2,980.98x = 4,619,107.30
  5. Step 5: Solve for x
    x = 4,619,107.30/2,980.98
  6. Step 6: Final answer
    x = 1,549.53

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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.