Home / 5,396.72-7,447.61-3,038.94

Finding the Fourth Proportional to 5,396.72, 7,447.61 and 3,038.94

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Solution

The fourth proportional to 5,396.72, 7,447.61 and 3,038.94 is: 4,193.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.72 : 7,447.61 = 3,038.94 : x
  2. Step 2: Convert to fraction form
    5,396.72/7,447.61 = 3,038.94/x
  3. Step 3: Cross multiply
    5,396.72x = 7,447.61 × 3,038.94
  4. Step 4: Simplify right side
    5,396.72x = 22,632,847.53
  5. Step 5: Solve for x
    x = 22,632,847.53/5,396.72
  6. Step 6: Final answer
    x = 4,193.82

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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.