Home / 2,474.75-3,707.49-1,240.72

Finding the Fourth Proportional to 2,474.75, 3,707.49 and 1,240.72

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Solution

The fourth proportional to 2,474.75, 3,707.49 and 1,240.72 is: 1,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.75 : 3,707.49 = 1,240.72 : x
  2. Step 2: Convert to fraction form
    2,474.75/3,707.49 = 1,240.72/x
  3. Step 3: Cross multiply
    2,474.75x = 3,707.49 × 1,240.72
  4. Step 4: Simplify right side
    2,474.75x = 4,599,956.99
  5. Step 5: Solve for x
    x = 4,599,956.99/2,474.75
  6. Step 6: Final answer
    x = 1,858.76

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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.