Home / 3,911.01-5,865.42-1,962.69

Finding the Fourth Proportional to 3,911.01, 5,865.42 and 1,962.69

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Solution

The fourth proportional to 3,911.01, 5,865.42 and 1,962.69 is: 2,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.01 : 5,865.42 = 1,962.69 : x
  2. Step 2: Convert to fraction form
    3,911.01/5,865.42 = 1,962.69/x
  3. Step 3: Cross multiply
    3,911.01x = 5,865.42 × 1,962.69
  4. Step 4: Simplify right side
    3,911.01x = 11,512,001.18
  5. Step 5: Solve for x
    x = 11,512,001.18/3,911.01
  6. Step 6: Final answer
    x = 2,943.49

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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.