Home / 3,507.72-5,261.60-1,042.56

Finding the Fourth Proportional to 3,507.72, 5,261.60 and 1,042.56

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Solution

The fourth proportional to 3,507.72, 5,261.60 and 1,042.56 is: 1,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.72 : 5,261.60 = 1,042.56 : x
  2. Step 2: Convert to fraction form
    3,507.72/5,261.60 = 1,042.56/x
  3. Step 3: Cross multiply
    3,507.72x = 5,261.60 × 1,042.56
  4. Step 4: Simplify right side
    3,507.72x = 5,485,528.48
  5. Step 5: Solve for x
    x = 5,485,528.48/3,507.72
  6. Step 6: Final answer
    x = 1,563.84

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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.