Home / 3,931.10-5,896.45-1,334.06

Finding the Fourth Proportional to 3,931.10, 5,896.45 and 1,334.06

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Solution

The fourth proportional to 3,931.10, 5,896.45 and 1,334.06 is: 2,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.10 : 5,896.45 = 1,334.06 : x
  2. Step 2: Convert to fraction form
    3,931.10/5,896.45 = 1,334.06/x
  3. Step 3: Cross multiply
    3,931.10x = 5,896.45 × 1,334.06
  4. Step 4: Simplify right side
    3,931.10x = 7,866,218.09
  5. Step 5: Solve for x
    x = 7,866,218.09/3,931.10
  6. Step 6: Final answer
    x = 2,001.02

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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.