Home / 5,402.75-7,457.18-3,519.03

Finding the Fourth Proportional to 5,402.75, 7,457.18 and 3,519.03

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Solution

The fourth proportional to 5,402.75, 7,457.18 and 3,519.03 is: 4,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.75 : 7,457.18 = 3,519.03 : x
  2. Step 2: Convert to fraction form
    5,402.75/7,457.18 = 3,519.03/x
  3. Step 3: Cross multiply
    5,402.75x = 7,457.18 × 3,519.03
  4. Step 4: Simplify right side
    5,402.75x = 26,242,022.54
  5. Step 5: Solve for x
    x = 26,242,022.54/5,402.75
  6. Step 6: Final answer
    x = 4,857.16

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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.