Home / 3,721.35-5,136.18-2,462.46

Finding the Fourth Proportional to 3,721.35, 5,136.18 and 2,462.46

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Solution

The fourth proportional to 3,721.35, 5,136.18 and 2,462.46 is: 3,398.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.35 : 5,136.18 = 2,462.46 : x
  2. Step 2: Convert to fraction form
    3,721.35/5,136.18 = 2,462.46/x
  3. Step 3: Cross multiply
    3,721.35x = 5,136.18 × 2,462.46
  4. Step 4: Simplify right side
    3,721.35x = 12,647,637.80
  5. Step 5: Solve for x
    x = 12,647,637.80/3,721.35
  6. Step 6: Final answer
    x = 3,398.67

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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.