Home / 3,461.64-5,189.26-1,381.14

Finding the Fourth Proportional to 3,461.64, 5,189.26 and 1,381.14

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Solution

The fourth proportional to 3,461.64, 5,189.26 and 1,381.14 is: 2,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.64 : 5,189.26 = 1,381.14 : x
  2. Step 2: Convert to fraction form
    3,461.64/5,189.26 = 1,381.14/x
  3. Step 3: Cross multiply
    3,461.64x = 5,189.26 × 1,381.14
  4. Step 4: Simplify right side
    3,461.64x = 7,167,094.56
  5. Step 5: Solve for x
    x = 7,167,094.56/3,461.64
  6. Step 6: Final answer
    x = 2,070.43

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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.