Home / 3,254.12-4,878.20-1,173.64

Finding the Fourth Proportional to 3,254.12, 4,878.20 and 1,173.64

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Solution

The fourth proportional to 3,254.12, 4,878.20 and 1,173.64 is: 1,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.12 : 4,878.20 = 1,173.64 : x
  2. Step 2: Convert to fraction form
    3,254.12/4,878.20 = 1,173.64/x
  3. Step 3: Cross multiply
    3,254.12x = 4,878.20 × 1,173.64
  4. Step 4: Simplify right side
    3,254.12x = 5,725,232.58
  5. Step 5: Solve for x
    x = 5,725,232.58/3,254.12
  6. Step 6: Final answer
    x = 1,759.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.