Home / 6,280.98-8,668.05-3,486.50

Finding the Fourth Proportional to 6,280.98, 8,668.05 and 3,486.50

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Solution

The fourth proportional to 6,280.98, 8,668.05 and 3,486.50 is: 4,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.98 : 8,668.05 = 3,486.50 : x
  2. Step 2: Convert to fraction form
    6,280.98/8,668.05 = 3,486.50/x
  3. Step 3: Cross multiply
    6,280.98x = 8,668.05 × 3,486.50
  4. Step 4: Simplify right side
    6,280.98x = 30,221,156.33
  5. Step 5: Solve for x
    x = 30,221,156.33/6,280.98
  6. Step 6: Final answer
    x = 4,811.54

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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.