Home / 3,350.46-4,622.70-2,640.10

Finding the Fourth Proportional to 3,350.46, 4,622.70 and 2,640.10

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Solution

The fourth proportional to 3,350.46, 4,622.70 and 2,640.10 is: 3,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.46 : 4,622.70 = 2,640.10 : x
  2. Step 2: Convert to fraction form
    3,350.46/4,622.70 = 2,640.10/x
  3. Step 3: Cross multiply
    3,350.46x = 4,622.70 × 2,640.10
  4. Step 4: Simplify right side
    3,350.46x = 12,204,390.27
  5. Step 5: Solve for x
    x = 12,204,390.27/3,350.46
  6. Step 6: Final answer
    x = 3,642.60

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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.