Home / 3,250.63-4,485.86-1,758.55

Finding the Fourth Proportional to 3,250.63, 4,485.86 and 1,758.55

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Solution

The fourth proportional to 3,250.63, 4,485.86 and 1,758.55 is: 2,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.63 : 4,485.86 = 1,758.55 : x
  2. Step 2: Convert to fraction form
    3,250.63/4,485.86 = 1,758.55/x
  3. Step 3: Cross multiply
    3,250.63x = 4,485.86 × 1,758.55
  4. Step 4: Simplify right side
    3,250.63x = 7,888,577.88
  5. Step 5: Solve for x
    x = 7,888,577.88/3,250.63
  6. Step 6: Final answer
    x = 2,426.78

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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.