Home / 3,931.12-5,889.39-2,695.06

Finding the Fourth Proportional to 3,931.12, 5,889.39 and 2,695.06

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Solution

The fourth proportional to 3,931.12, 5,889.39 and 2,695.06 is: 4,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.12 : 5,889.39 = 2,695.06 : x
  2. Step 2: Convert to fraction form
    3,931.12/5,889.39 = 2,695.06/x
  3. Step 3: Cross multiply
    3,931.12x = 5,889.39 × 2,695.06
  4. Step 4: Simplify right side
    3,931.12x = 15,872,259.41
  5. Step 5: Solve for x
    x = 15,872,259.41/3,931.12
  6. Step 6: Final answer
    x = 4,037.59

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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.