Home / 5,466.70-8,200.05-3,125.80

Finding the Fourth Proportional to 5,466.70, 8,200.05 and 3,125.80

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Solution

The fourth proportional to 5,466.70, 8,200.05 and 3,125.80 is: 4,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466.70 : 8,200.05 = 3,125.80 : x
  2. Step 2: Convert to fraction form
    5,466.70/8,200.05 = 3,125.80/x
  3. Step 3: Cross multiply
    5,466.70x = 8,200.05 × 3,125.80
  4. Step 4: Simplify right side
    5,466.70x = 25,631,716.29
  5. Step 5: Solve for x
    x = 25,631,716.29/5,466.70
  6. Step 6: Final answer
    x = 4,688.70

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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.