Home / 10,364.70-15,549.30-3,790.89

Finding the Fourth Proportional to 10,364.70, 15,549.30 and 3,790.89

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Solution

The fourth proportional to 10,364.70, 15,549.30 and 3,790.89 is: 5,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.70 : 15,549.30 = 3,790.89 : x
  2. Step 2: Convert to fraction form
    10,364.70/15,549.30 = 3,790.89/x
  3. Step 3: Cross multiply
    10,364.70x = 15,549.30 × 3,790.89
  4. Step 4: Simplify right side
    10,364.70x = 58,945,685.88
  5. Step 5: Solve for x
    x = 58,945,685.88/10,364.70
  6. Step 6: Final answer
    x = 5,687.16

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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.