Home / 3,604.50-5,406.75-1,961.01

Finding the Fourth Proportional to 3,604.50, 5,406.75 and 1,961.01

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Solution

The fourth proportional to 3,604.50, 5,406.75 and 1,961.01 is: 2,941.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.50 : 5,406.75 = 1,961.01 : x
  2. Step 2: Convert to fraction form
    3,604.50/5,406.75 = 1,961.01/x
  3. Step 3: Cross multiply
    3,604.50x = 5,406.75 × 1,961.01
  4. Step 4: Simplify right side
    3,604.50x = 10,602,690.82
  5. Step 5: Solve for x
    x = 10,602,690.82/3,604.50
  6. Step 6: Final answer
    x = 2,941.52

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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.