Home / 5,877.10-8,109.78-3,359.86

Finding the Fourth Proportional to 5,877.10, 8,109.78 and 3,359.86

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Solution

The fourth proportional to 5,877.10, 8,109.78 and 3,359.86 is: 4,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.10 : 8,109.78 = 3,359.86 : x
  2. Step 2: Convert to fraction form
    5,877.10/8,109.78 = 3,359.86/x
  3. Step 3: Cross multiply
    5,877.10x = 8,109.78 × 3,359.86
  4. Step 4: Simplify right side
    5,877.10x = 27,247,725.43
  5. Step 5: Solve for x
    x = 27,247,725.43/5,877.10
  6. Step 6: Final answer
    x = 4,636.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.