Home / 5,876.48-8,109.78-3,359

Finding the Fourth Proportional to 5,876.48, 8,109.78 and 3,359

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Solution

The fourth proportional to 5,876.48, 8,109.78 and 3,359 is: 4,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.48 : 8,109.78 = 3,359 : x
  2. Step 2: Convert to fraction form
    5,876.48/8,109.78 = 3,359/x
  3. Step 3: Cross multiply
    5,876.48x = 8,109.78 × 3,359
  4. Step 4: Simplify right side
    5,876.48x = 27,240,751.02
  5. Step 5: Solve for x
    x = 27,240,751.02/5,876.48
  6. Step 6: Final answer
    x = 4,635.56

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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.