Home / 3,466.40-4,785.21-2,209.17

Finding the Fourth Proportional to 3,466.40, 4,785.21 and 2,209.17

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Solution

The fourth proportional to 3,466.40, 4,785.21 and 2,209.17 is: 3,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.40 : 4,785.21 = 2,209.17 : x
  2. Step 2: Convert to fraction form
    3,466.40/4,785.21 = 2,209.17/x
  3. Step 3: Cross multiply
    3,466.40x = 4,785.21 × 2,209.17
  4. Step 4: Simplify right side
    3,466.40x = 10,571,342.38
  5. Step 5: Solve for x
    x = 10,571,342.38/3,466.40
  6. Step 6: Final answer
    x = 3,049.66

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Double scale
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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.