Home / 5,869.84-8,100.20-3,217.22

Finding the Fourth Proportional to 5,869.84, 8,100.20 and 3,217.22

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Solution

The fourth proportional to 5,869.84, 8,100.20 and 3,217.22 is: 4,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.84 : 8,100.20 = 3,217.22 : x
  2. Step 2: Convert to fraction form
    5,869.84/8,100.20 = 3,217.22/x
  3. Step 3: Cross multiply
    5,869.84x = 8,100.20 × 3,217.22
  4. Step 4: Simplify right side
    5,869.84x = 26,060,125.44
  5. Step 5: Solve for x
    x = 26,060,125.44/5,869.84
  6. Step 6: Final answer
    x = 4,439.67

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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.