Home / 7,461.48-11,175.20-3,568.64

Finding the Fourth Proportional to 7,461.48, 11,175.20 and 3,568.64

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Solution

The fourth proportional to 7,461.48, 11,175.20 and 3,568.64 is: 5,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.48 : 11,175.20 = 3,568.64 : x
  2. Step 2: Convert to fraction form
    7,461.48/11,175.20 = 3,568.64/x
  3. Step 3: Cross multiply
    7,461.48x = 11,175.20 × 3,568.64
  4. Step 4: Simplify right side
    7,461.48x = 39,880,265.73
  5. Step 5: Solve for x
    x = 39,880,265.73/7,461.48
  6. Step 6: Final answer
    x = 5,344.82

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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.