Home / 2,083.14-3,124.06-621.93

Finding the Fourth Proportional to 2,083.14, 3,124.06 and 621.93

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Solution

The fourth proportional to 2,083.14, 3,124.06 and 621.93 is: 932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.14 : 3,124.06 = 621.93 : x
  2. Step 2: Convert to fraction form
    2,083.14/3,124.06 = 621.93/x
  3. Step 3: Cross multiply
    2,083.14x = 3,124.06 × 621.93
  4. Step 4: Simplify right side
    2,083.14x = 1,942,946.64
  5. Step 5: Solve for x
    x = 1,942,946.64/2,083.14
  6. Step 6: Final answer
    x = 932.70

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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.