Home / 5,174.42-7,136.51-3,181.41

Finding the Fourth Proportional to 5,174.42, 7,136.51 and 3,181.41

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Solution

The fourth proportional to 5,174.42, 7,136.51 and 3,181.41 is: 4,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.42 : 7,136.51 = 3,181.41 : x
  2. Step 2: Convert to fraction form
    5,174.42/7,136.51 = 3,181.41/x
  3. Step 3: Cross multiply
    5,174.42x = 7,136.51 × 3,181.41
  4. Step 4: Simplify right side
    5,174.42x = 22,704,148.37
  5. Step 5: Solve for x
    x = 22,704,148.37/5,174.42
  6. Step 6: Final answer
    x = 4,387.77

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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.