Home / 5,440.62-8,160.93-3,487.98

Finding the Fourth Proportional to 5,440.62, 8,160.93 and 3,487.98

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Solution

The fourth proportional to 5,440.62, 8,160.93 and 3,487.98 is: 5,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.62 : 8,160.93 = 3,487.98 : x
  2. Step 2: Convert to fraction form
    5,440.62/8,160.93 = 3,487.98/x
  3. Step 3: Cross multiply
    5,440.62x = 8,160.93 × 3,487.98
  4. Step 4: Simplify right side
    5,440.62x = 28,465,160.62
  5. Step 5: Solve for x
    x = 28,465,160.62/5,440.62
  6. Step 6: Final answer
    x = 5,231.97

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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.