Home / 3,504.72-5,255.28-1,039.23

Finding the Fourth Proportional to 3,504.72, 5,255.28 and 1,039.23

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Solution

The fourth proportional to 3,504.72, 5,255.28 and 1,039.23 is: 1,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.72 : 5,255.28 = 1,039.23 : x
  2. Step 2: Convert to fraction form
    3,504.72/5,255.28 = 1,039.23/x
  3. Step 3: Cross multiply
    3,504.72x = 5,255.28 × 1,039.23
  4. Step 4: Simplify right side
    3,504.72x = 5,461,444.63
  5. Step 5: Solve for x
    x = 5,461,444.63/3,504.72
  6. Step 6: Final answer
    x = 1,558.31

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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.