Home / 6,120.24-8,441.52-3,763.68

Finding the Fourth Proportional to 6,120.24, 8,441.52 and 3,763.68

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Solution

The fourth proportional to 6,120.24, 8,441.52 and 3,763.68 is: 5,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.24 : 8,441.52 = 3,763.68 : x
  2. Step 2: Convert to fraction form
    6,120.24/8,441.52 = 3,763.68/x
  3. Step 3: Cross multiply
    6,120.24x = 8,441.52 × 3,763.68
  4. Step 4: Simplify right side
    6,120.24x = 31,771,179.99
  5. Step 5: Solve for x
    x = 31,771,179.99/6,120.24
  6. Step 6: Final answer
    x = 5,191.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.