Home / 3,451.55-5,172.66-2,475.50

Finding the Fourth Proportional to 3,451.55, 5,172.66 and 2,475.50

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Solution

The fourth proportional to 3,451.55, 5,172.66 and 2,475.50 is: 3,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.55 : 5,172.66 = 2,475.50 : x
  2. Step 2: Convert to fraction form
    3,451.55/5,172.66 = 2,475.50/x
  3. Step 3: Cross multiply
    3,451.55x = 5,172.66 × 2,475.50
  4. Step 4: Simplify right side
    3,451.55x = 12,804,893.97
  5. Step 5: Solve for x
    x = 12,804,893.97/3,451.55
  6. Step 6: Final answer
    x = 3,709.90

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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.