Home / 3,624.30-5,436.54-1,749.12

Finding the Fourth Proportional to 3,624.30, 5,436.54 and 1,749.12

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Solution

The fourth proportional to 3,624.30, 5,436.54 and 1,749.12 is: 2,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.30 : 5,436.54 = 1,749.12 : x
  2. Step 2: Convert to fraction form
    3,624.30/5,436.54 = 1,749.12/x
  3. Step 3: Cross multiply
    3,624.30x = 5,436.54 × 1,749.12
  4. Step 4: Simplify right side
    3,624.30x = 9,509,160.84
  5. Step 5: Solve for x
    x = 9,509,160.84/3,624.30
  6. Step 6: Final answer
    x = 2,623.72

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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.