Home / 3,450.84-5,173.15-1,258.01

Finding the Fourth Proportional to 3,450.84, 5,173.15 and 1,258.01

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Solution

The fourth proportional to 3,450.84, 5,173.15 and 1,258.01 is: 1,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.84 : 5,173.15 = 1,258.01 : x
  2. Step 2: Convert to fraction form
    3,450.84/5,173.15 = 1,258.01/x
  3. Step 3: Cross multiply
    3,450.84x = 5,173.15 × 1,258.01
  4. Step 4: Simplify right side
    3,450.84x = 6,507,874.43
  5. Step 5: Solve for x
    x = 6,507,874.43/3,450.84
  6. Step 6: Final answer
    x = 1,885.88

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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.