Home / 5,931.61-8,185.79-3,279.26

Finding the Fourth Proportional to 5,931.61, 8,185.79 and 3,279.26

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Solution

The fourth proportional to 5,931.61, 8,185.79 and 3,279.26 is: 4,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.61 : 8,185.79 = 3,279.26 : x
  2. Step 2: Convert to fraction form
    5,931.61/8,185.79 = 3,279.26/x
  3. Step 3: Cross multiply
    5,931.61x = 8,185.79 × 3,279.26
  4. Step 4: Simplify right side
    5,931.61x = 26,843,333.72
  5. Step 5: Solve for x
    x = 26,843,333.72/5,931.61
  6. Step 6: Final answer
    x = 4,525.47

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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.