Home / 5,619.99-8,416.85-4,442.09

Finding the Fourth Proportional to 5,619.99, 8,416.85 and 4,442.09

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Solution

The fourth proportional to 5,619.99, 8,416.85 and 4,442.09 is: 6,652.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.99 : 8,416.85 = 4,442.09 : x
  2. Step 2: Convert to fraction form
    5,619.99/8,416.85 = 4,442.09/x
  3. Step 3: Cross multiply
    5,619.99x = 8,416.85 × 4,442.09
  4. Step 4: Simplify right side
    5,619.99x = 37,388,340.92
  5. Step 5: Solve for x
    x = 37,388,340.92/5,619.99
  6. Step 6: Final answer
    x = 6,652.74

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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.