Home / 3,363.60-4,640.04-2,185.32

Finding the Fourth Proportional to 3,363.60, 4,640.04 and 2,185.32

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Solution

The fourth proportional to 3,363.60, 4,640.04 and 2,185.32 is: 3,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.60 : 4,640.04 = 2,185.32 : x
  2. Step 2: Convert to fraction form
    3,363.60/4,640.04 = 2,185.32/x
  3. Step 3: Cross multiply
    3,363.60x = 4,640.04 × 2,185.32
  4. Step 4: Simplify right side
    3,363.60x = 10,139,972.21
  5. Step 5: Solve for x
    x = 10,139,972.21/3,363.60
  6. Step 6: Final answer
    x = 3,014.62

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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.