Home / 5,131.99-7,712.40-3,052.36

Finding the Fourth Proportional to 5,131.99, 7,712.40 and 3,052.36

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Solution

The fourth proportional to 5,131.99, 7,712.40 and 3,052.36 is: 4,587.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.99 : 7,712.40 = 3,052.36 : x
  2. Step 2: Convert to fraction form
    5,131.99/7,712.40 = 3,052.36/x
  3. Step 3: Cross multiply
    5,131.99x = 7,712.40 × 3,052.36
  4. Step 4: Simplify right side
    5,131.99x = 23,541,021.26
  5. Step 5: Solve for x
    x = 23,541,021.26/5,131.99
  6. Step 6: Final answer
    x = 4,587.11

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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.