Home / 5,869.56-8,099.78-3,216.91

Finding the Fourth Proportional to 5,869.56, 8,099.78 and 3,216.91

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Solution

The fourth proportional to 5,869.56, 8,099.78 and 3,216.91 is: 4,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.56 : 8,099.78 = 3,216.91 : x
  2. Step 2: Convert to fraction form
    5,869.56/8,099.78 = 3,216.91/x
  3. Step 3: Cross multiply
    5,869.56x = 8,099.78 × 3,216.91
  4. Step 4: Simplify right side
    5,869.56x = 26,056,226.95
  5. Step 5: Solve for x
    x = 26,056,226.95/5,869.56
  6. Step 6: Final answer
    x = 4,439.21

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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.