Home / 5,917.84-8,876.10-2,118.33

Finding the Fourth Proportional to 5,917.84, 8,876.10 and 2,118.33

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Solution

The fourth proportional to 5,917.84, 8,876.10 and 2,118.33 is: 3,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.84 : 8,876.10 = 2,118.33 : x
  2. Step 2: Convert to fraction form
    5,917.84/8,876.10 = 2,118.33/x
  3. Step 3: Cross multiply
    5,917.84x = 8,876.10 × 2,118.33
  4. Step 4: Simplify right side
    5,917.84x = 18,802,519.23
  5. Step 5: Solve for x
    x = 18,802,519.23/5,917.84
  6. Step 6: Final answer
    x = 3,177.26

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1.5x scale

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.