Home / 2,521.46-3,782.51-982.26

Finding the Fourth Proportional to 2,521.46, 3,782.51 and 982.26

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Solution

The fourth proportional to 2,521.46, 3,782.51 and 982.26 is: 1,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.46 : 3,782.51 = 982.26 : x
  2. Step 2: Convert to fraction form
    2,521.46/3,782.51 = 982.26/x
  3. Step 3: Cross multiply
    2,521.46x = 3,782.51 × 982.26
  4. Step 4: Simplify right side
    2,521.46x = 3,715,408.27
  5. Step 5: Solve for x
    x = 3,715,408.27/2,521.46
  6. Step 6: Final answer
    x = 1,473.51

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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.