Home / 5,923.12-8,173.20-3,405.28

Finding the Fourth Proportional to 5,923.12, 8,173.20 and 3,405.28

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Solution

The fourth proportional to 5,923.12, 8,173.20 and 3,405.28 is: 4,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,923.12 : 8,173.20 = 3,405.28 : x
  2. Step 2: Convert to fraction form
    5,923.12/8,173.20 = 3,405.28/x
  3. Step 3: Cross multiply
    5,923.12x = 8,173.20 × 3,405.28
  4. Step 4: Simplify right side
    5,923.12x = 27,832,034.50
  5. Step 5: Solve for x
    x = 27,832,034.50/5,923.12
  6. Step 6: Final answer
    x = 4,698.88

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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.