Home / 3,005.60-4,511.40-2,226.32

Finding the Fourth Proportional to 3,005.60, 4,511.40 and 2,226.32

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Solution

The fourth proportional to 3,005.60, 4,511.40 and 2,226.32 is: 3,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.60 : 4,511.40 = 2,226.32 : x
  2. Step 2: Convert to fraction form
    3,005.60/4,511.40 = 2,226.32/x
  3. Step 3: Cross multiply
    3,005.60x = 4,511.40 × 2,226.32
  4. Step 4: Simplify right side
    3,005.60x = 10,043,820.05
  5. Step 5: Solve for x
    x = 10,043,820.05/3,005.60
  6. Step 6: Final answer
    x = 3,341.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.