Home / 5,417.80-8,127.56-2,297.82

Finding the Fourth Proportional to 5,417.80, 8,127.56 and 2,297.82

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Solution

The fourth proportional to 5,417.80, 8,127.56 and 2,297.82 is: 3,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.80 : 8,127.56 = 2,297.82 : x
  2. Step 2: Convert to fraction form
    5,417.80/8,127.56 = 2,297.82/x
  3. Step 3: Cross multiply
    5,417.80x = 8,127.56 × 2,297.82
  4. Step 4: Simplify right side
    5,417.80x = 18,675,669.92
  5. Step 5: Solve for x
    x = 18,675,669.92/5,417.80
  6. Step 6: Final answer
    x = 3,447.09

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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.