Home / 6,040.20-8,338.61-4,692.80

Finding the Fourth Proportional to 6,040.20, 8,338.61 and 4,692.80

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Solution

The fourth proportional to 6,040.20, 8,338.61 and 4,692.80 is: 6,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,040.20 : 8,338.61 = 4,692.80 : x
  2. Step 2: Convert to fraction form
    6,040.20/8,338.61 = 4,692.80/x
  3. Step 3: Cross multiply
    6,040.20x = 8,338.61 × 4,692.80
  4. Step 4: Simplify right side
    6,040.20x = 39,131,461.59
  5. Step 5: Solve for x
    x = 39,131,461.59/6,040.20
  6. Step 6: Final answer
    x = 6,478.50

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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.