Home / 5,869.89-8,100.47-3,217.34

Finding the Fourth Proportional to 5,869.89, 8,100.47 and 3,217.34

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Solution

The fourth proportional to 5,869.89, 8,100.47 and 3,217.34 is: 4,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.89 : 8,100.47 = 3,217.34 : x
  2. Step 2: Convert to fraction form
    5,869.89/8,100.47 = 3,217.34/x
  3. Step 3: Cross multiply
    5,869.89x = 8,100.47 × 3,217.34
  4. Step 4: Simplify right side
    5,869.89x = 26,061,994.44
  5. Step 5: Solve for x
    x = 26,061,994.44/5,869.89
  6. Step 6: Final answer
    x = 4,439.95

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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.