Home / 5,924.22-8,172.86-3,405.75

Finding the Fourth Proportional to 5,924.22, 8,172.86 and 3,405.75

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Solution

The fourth proportional to 5,924.22, 8,172.86 and 3,405.75 is: 4,698.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,924.22 : 8,172.86 = 3,405.75 : x
  2. Step 2: Convert to fraction form
    5,924.22/8,172.86 = 3,405.75/x
  3. Step 3: Cross multiply
    5,924.22x = 8,172.86 × 3,405.75
  4. Step 4: Simplify right side
    5,924.22x = 27,834,700.92
  5. Step 5: Solve for x
    x = 27,834,700.92/5,924.22
  6. Step 6: Final answer
    x = 4,698.46

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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.