Home / 3,153.12-4,351.80-2,246.04

Finding the Fourth Proportional to 3,153.12, 4,351.80 and 2,246.04

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Solution

The fourth proportional to 3,153.12, 4,351.80 and 2,246.04 is: 3,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.12 : 4,351.80 = 2,246.04 : x
  2. Step 2: Convert to fraction form
    3,153.12/4,351.80 = 2,246.04/x
  3. Step 3: Cross multiply
    3,153.12x = 4,351.80 × 2,246.04
  4. Step 4: Simplify right side
    3,153.12x = 9,774,316.87
  5. Step 5: Solve for x
    x = 9,774,316.87/3,153.12
  6. Step 6: Final answer
    x = 3,099.89

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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.