Home / 3,701.28-5,103.12-2,372.64

Finding the Fourth Proportional to 3,701.28, 5,103.12 and 2,372.64

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Solution

The fourth proportional to 3,701.28, 5,103.12 and 2,372.64 is: 3,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.28 : 5,103.12 = 2,372.64 : x
  2. Step 2: Convert to fraction form
    3,701.28/5,103.12 = 2,372.64/x
  3. Step 3: Cross multiply
    3,701.28x = 5,103.12 × 2,372.64
  4. Step 4: Simplify right side
    3,701.28x = 12,107,866.64
  5. Step 5: Solve for x
    x = 12,107,866.64/3,701.28
  6. Step 6: Final answer
    x = 3,271.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.