Home / 5,089.16-7,636.01-3,239.80

Finding the Fourth Proportional to 5,089.16, 7,636.01 and 3,239.80

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Solution

The fourth proportional to 5,089.16, 7,636.01 and 3,239.80 is: 4,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.16 : 7,636.01 = 3,239.80 : x
  2. Step 2: Convert to fraction form
    5,089.16/7,636.01 = 3,239.80/x
  3. Step 3: Cross multiply
    5,089.16x = 7,636.01 × 3,239.80
  4. Step 4: Simplify right side
    5,089.16x = 24,739,109.91
  5. Step 5: Solve for x
    x = 24,739,109.91/5,089.16
  6. Step 6: Final answer
    x = 4,861.14

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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.