Home / 5,931.51-8,185.37-3,278.85

Finding the Fourth Proportional to 5,931.51, 8,185.37 and 3,278.85

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Solution

The fourth proportional to 5,931.51, 8,185.37 and 3,278.85 is: 4,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.51 : 8,185.37 = 3,278.85 : x
  2. Step 2: Convert to fraction form
    5,931.51/8,185.37 = 3,278.85/x
  3. Step 3: Cross multiply
    5,931.51x = 8,185.37 × 3,278.85
  4. Step 4: Simplify right side
    5,931.51x = 26,838,584.03
  5. Step 5: Solve for x
    x = 26,838,584.03/5,931.51
  6. Step 6: Final answer
    x = 4,524.75

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1.5x scale

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.