Home / 4,727.30-7,083.38-4,031.78

Finding the Fourth Proportional to 4,727.30, 7,083.38 and 4,031.78

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Solution

The fourth proportional to 4,727.30, 7,083.38 and 4,031.78 is: 6,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.30 : 7,083.38 = 4,031.78 : x
  2. Step 2: Convert to fraction form
    4,727.30/7,083.38 = 4,031.78/x
  3. Step 3: Cross multiply
    4,727.30x = 7,083.38 × 4,031.78
  4. Step 4: Simplify right side
    4,727.30x = 28,558,604.48
  5. Step 5: Solve for x
    x = 28,558,604.48/4,727.30
  6. Step 6: Final answer
    x = 6,041.21

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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.