Home / 5,931.36-8,185.38-3,278.88

Finding the Fourth Proportional to 5,931.36, 8,185.38 and 3,278.88

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Solution

The fourth proportional to 5,931.36, 8,185.38 and 3,278.88 is: 4,524.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.36 : 8,185.38 = 3,278.88 : x
  2. Step 2: Convert to fraction form
    5,931.36/8,185.38 = 3,278.88/x
  3. Step 3: Cross multiply
    5,931.36x = 8,185.38 × 3,278.88
  4. Step 4: Simplify right side
    5,931.36x = 26,838,878.77
  5. Step 5: Solve for x
    x = 26,838,878.77/5,931.36
  6. Step 6: Final answer
    x = 4,524.91

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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.