Home / 5,053.19-7,580.84-2,131.52

Finding the Fourth Proportional to 5,053.19, 7,580.84 and 2,131.52

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Solution

The fourth proportional to 5,053.19, 7,580.84 and 2,131.52 is: 3,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.19 : 7,580.84 = 2,131.52 : x
  2. Step 2: Convert to fraction form
    5,053.19/7,580.84 = 2,131.52/x
  3. Step 3: Cross multiply
    5,053.19x = 7,580.84 × 2,131.52
  4. Step 4: Simplify right side
    5,053.19x = 16,158,728.36
  5. Step 5: Solve for x
    x = 16,158,728.36/5,053.19
  6. Step 6: Final answer
    x = 3,197.73

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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.