Home / 5,355.45-7,390.17-2,997.54

Finding the Fourth Proportional to 5,355.45, 7,390.17 and 2,997.54

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Solution

The fourth proportional to 5,355.45, 7,390.17 and 2,997.54 is: 4,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.45 : 7,390.17 = 2,997.54 : x
  2. Step 2: Convert to fraction form
    5,355.45/7,390.17 = 2,997.54/x
  3. Step 3: Cross multiply
    5,355.45x = 7,390.17 × 2,997.54
  4. Step 4: Simplify right side
    5,355.45x = 22,152,330.18
  5. Step 5: Solve for x
    x = 22,152,330.18/5,355.45
  6. Step 6: Final answer
    x = 4,136.41

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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.