Home / 4,921.20-7,376.52-2,451.24

Finding the Fourth Proportional to 4,921.20, 7,376.52 and 2,451.24

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Solution

The fourth proportional to 4,921.20, 7,376.52 and 2,451.24 is: 3,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.20 : 7,376.52 = 2,451.24 : x
  2. Step 2: Convert to fraction form
    4,921.20/7,376.52 = 2,451.24/x
  3. Step 3: Cross multiply
    4,921.20x = 7,376.52 × 2,451.24
  4. Step 4: Simplify right side
    4,921.20x = 18,081,620.88
  5. Step 5: Solve for x
    x = 18,081,620.88/4,921.20
  6. Step 6: Final answer
    x = 3,674.23

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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.