Home / 3,653.28-5,472.36-2,718

Finding the Fourth Proportional to 3,653.28, 5,472.36 and 2,718

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Solution

The fourth proportional to 3,653.28, 5,472.36 and 2,718 is: 4,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.28 : 5,472.36 = 2,718 : x
  2. Step 2: Convert to fraction form
    3,653.28/5,472.36 = 2,718/x
  3. Step 3: Cross multiply
    3,653.28x = 5,472.36 × 2,718
  4. Step 4: Simplify right side
    3,653.28x = 14,873,874.48
  5. Step 5: Solve for x
    x = 14,873,874.48/3,653.28
  6. Step 6: Final answer
    x = 4,071.38

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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.