Home / 5,979.61-8,966.98-2,083.11

Finding the Fourth Proportional to 5,979.61, 8,966.98 and 2,083.11

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Solution

The fourth proportional to 5,979.61, 8,966.98 and 2,083.11 is: 3,123.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.61 : 8,966.98 = 2,083.11 : x
  2. Step 2: Convert to fraction form
    5,979.61/8,966.98 = 2,083.11/x
  3. Step 3: Cross multiply
    5,979.61x = 8,966.98 × 2,083.11
  4. Step 4: Simplify right side
    5,979.61x = 18,679,205.71
  5. Step 5: Solve for x
    x = 18,679,205.71/5,979.61
  6. Step 6: Final answer
    x = 3,123.82

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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.