Home / 5,869.28-8,099.91-3,216.80

Finding the Fourth Proportional to 5,869.28, 8,099.91 and 3,216.80

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Solution

The fourth proportional to 5,869.28, 8,099.91 and 3,216.80 is: 4,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.28 : 8,099.91 = 3,216.80 : x
  2. Step 2: Convert to fraction form
    5,869.28/8,099.91 = 3,216.80/x
  3. Step 3: Cross multiply
    5,869.28x = 8,099.91 × 3,216.80
  4. Step 4: Simplify right side
    5,869.28x = 26,055,749.99
  5. Step 5: Solve for x
    x = 26,055,749.99/5,869.28
  6. Step 6: Final answer
    x = 4,439.35

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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.