Home / 5,053.90-7,581.86-2,132.20

Finding the Fourth Proportional to 5,053.90, 7,581.86 and 2,132.20

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Solution

The fourth proportional to 5,053.90, 7,581.86 and 2,132.20 is: 3,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.90 : 7,581.86 = 2,132.20 : x
  2. Step 2: Convert to fraction form
    5,053.90/7,581.86 = 2,132.20/x
  3. Step 3: Cross multiply
    5,053.90x = 7,581.86 × 2,132.20
  4. Step 4: Simplify right side
    5,053.90x = 16,166,041.89
  5. Step 5: Solve for x
    x = 16,166,041.89/5,053.90
  6. Step 6: Final answer
    x = 3,198.73

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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.