Home / 5,519.57-8,280.79-3,342.29

Finding the Fourth Proportional to 5,519.57, 8,280.79 and 3,342.29

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Solution

The fourth proportional to 5,519.57, 8,280.79 and 3,342.29 is: 5,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.57 : 8,280.79 = 3,342.29 : x
  2. Step 2: Convert to fraction form
    5,519.57/8,280.79 = 3,342.29/x
  3. Step 3: Cross multiply
    5,519.57x = 8,280.79 × 3,342.29
  4. Step 4: Simplify right side
    5,519.57x = 27,676,751.85
  5. Step 5: Solve for x
    x = 27,676,751.85/5,519.57
  6. Step 6: Final answer
    x = 5,014.30

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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.