Home / 5,118.24-7,681.68-3,536.04

Finding the Fourth Proportional to 5,118.24, 7,681.68 and 3,536.04

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Solution

The fourth proportional to 5,118.24, 7,681.68 and 3,536.04 is: 5,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.24 : 7,681.68 = 3,536.04 : x
  2. Step 2: Convert to fraction form
    5,118.24/7,681.68 = 3,536.04/x
  3. Step 3: Cross multiply
    5,118.24x = 7,681.68 × 3,536.04
  4. Step 4: Simplify right side
    5,118.24x = 27,162,727.75
  5. Step 5: Solve for x
    x = 27,162,727.75/5,118.24
  6. Step 6: Final answer
    x = 5,307.04

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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.