Home / 2,980.20-4,467.06-1,517.34

Finding the Fourth Proportional to 2,980.20, 4,467.06 and 1,517.34

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Solution

The fourth proportional to 2,980.20, 4,467.06 and 1,517.34 is: 2,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.20 : 4,467.06 = 1,517.34 : x
  2. Step 2: Convert to fraction form
    2,980.20/4,467.06 = 1,517.34/x
  3. Step 3: Cross multiply
    2,980.20x = 4,467.06 × 1,517.34
  4. Step 4: Simplify right side
    2,980.20x = 6,778,048.82
  5. Step 5: Solve for x
    x = 6,778,048.82/2,980.20
  6. Step 6: Final answer
    x = 2,274.36

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1.5x scale

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.