Home / 3,511.34-4,847.92-2,185.58

Finding the Fourth Proportional to 3,511.34, 4,847.92 and 2,185.58

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Solution

The fourth proportional to 3,511.34, 4,847.92 and 2,185.58 is: 3,017.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.34 : 4,847.92 = 2,185.58 : x
  2. Step 2: Convert to fraction form
    3,511.34/4,847.92 = 2,185.58/x
  3. Step 3: Cross multiply
    3,511.34x = 4,847.92 × 2,185.58
  4. Step 4: Simplify right side
    3,511.34x = 10,595,492.75
  5. Step 5: Solve for x
    x = 10,595,492.75/3,511.34
  6. Step 6: Final answer
    x = 3,017.51

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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.