Home / 4,911.92-7,360.98-4,178.60

Finding the Fourth Proportional to 4,911.92, 7,360.98 and 4,178.60

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Solution

The fourth proportional to 4,911.92, 7,360.98 and 4,178.60 is: 6,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.92 : 7,360.98 = 4,178.60 : x
  2. Step 2: Convert to fraction form
    4,911.92/7,360.98 = 4,178.60/x
  3. Step 3: Cross multiply
    4,911.92x = 7,360.98 × 4,178.60
  4. Step 4: Simplify right side
    4,911.92x = 30,758,591.03
  5. Step 5: Solve for x
    x = 30,758,591.03/4,911.92
  6. Step 6: Final answer
    x = 6,262.03

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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.