Home / 2,455.09-3,696.46-2,164.46

Finding the Fourth Proportional to 2,455.09, 3,696.46 and 2,164.46

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Solution

The fourth proportional to 2,455.09, 3,696.46 and 2,164.46 is: 3,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.09 : 3,696.46 = 2,164.46 : x
  2. Step 2: Convert to fraction form
    2,455.09/3,696.46 = 2,164.46/x
  3. Step 3: Cross multiply
    2,455.09x = 3,696.46 × 2,164.46
  4. Step 4: Simplify right side
    2,455.09x = 8,000,839.81
  5. Step 5: Solve for x
    x = 8,000,839.81/2,455.09
  6. Step 6: Final answer
    x = 3,258.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.