Home / 4,921.98-6,792.42-2,683.92

Finding the Fourth Proportional to 4,921.98, 6,792.42 and 2,683.92

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Solution

The fourth proportional to 4,921.98, 6,792.42 and 2,683.92 is: 3,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.98 : 6,792.42 = 2,683.92 : x
  2. Step 2: Convert to fraction form
    4,921.98/6,792.42 = 2,683.92/x
  3. Step 3: Cross multiply
    4,921.98x = 6,792.42 × 2,683.92
  4. Step 4: Simplify right side
    4,921.98x = 18,230,311.89
  5. Step 5: Solve for x
    x = 18,230,311.89/4,921.98
  6. Step 6: Final answer
    x = 3,703.86

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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.