Home / 5,174.57-7,137.91-3,756.62

Finding the Fourth Proportional to 5,174.57, 7,137.91 and 3,756.62

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Solution

The fourth proportional to 5,174.57, 7,137.91 and 3,756.62 is: 5,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.57 : 7,137.91 = 3,756.62 : x
  2. Step 2: Convert to fraction form
    5,174.57/7,137.91 = 3,756.62/x
  3. Step 3: Cross multiply
    5,174.57x = 7,137.91 × 3,756.62
  4. Step 4: Simplify right side
    5,174.57x = 26,814,415.46
  5. Step 5: Solve for x
    x = 26,814,415.46/5,174.57
  6. Step 6: Final answer
    x = 5,181.96

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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.