Home / 6,754.44-9,320.40-3,920.52

Finding the Fourth Proportional to 6,754.44, 9,320.40 and 3,920.52

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Solution

The fourth proportional to 6,754.44, 9,320.40 and 3,920.52 is: 5,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.44 : 9,320.40 = 3,920.52 : x
  2. Step 2: Convert to fraction form
    6,754.44/9,320.40 = 3,920.52/x
  3. Step 3: Cross multiply
    6,754.44x = 9,320.40 × 3,920.52
  4. Step 4: Simplify right side
    6,754.44x = 36,540,814.61
  5. Step 5: Solve for x
    x = 36,540,814.61/6,754.44
  6. Step 6: Final answer
    x = 5,409.90

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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.