Home / 6,722.97-9,276.35-3,927.93

Finding the Fourth Proportional to 6,722.97, 9,276.35 and 3,927.93

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Solution

The fourth proportional to 6,722.97, 9,276.35 and 3,927.93 is: 5,419.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.97 : 9,276.35 = 3,927.93 : x
  2. Step 2: Convert to fraction form
    6,722.97/9,276.35 = 3,927.93/x
  3. Step 3: Cross multiply
    6,722.97x = 9,276.35 × 3,927.93
  4. Step 4: Simplify right side
    6,722.97x = 36,436,833.82
  5. Step 5: Solve for x
    x = 36,436,833.82/6,722.97
  6. Step 6: Final answer
    x = 5,419.75

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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.