Home / 4,175.42-5,759.88-2,831.09

Finding the Fourth Proportional to 4,175.42, 5,759.88 and 2,831.09

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Solution

The fourth proportional to 4,175.42, 5,759.88 and 2,831.09 is: 3,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.42 : 5,759.88 = 2,831.09 : x
  2. Step 2: Convert to fraction form
    4,175.42/5,759.88 = 2,831.09/x
  3. Step 3: Cross multiply
    4,175.42x = 5,759.88 × 2,831.09
  4. Step 4: Simplify right side
    4,175.42x = 16,306,699.25
  5. Step 5: Solve for x
    x = 16,306,699.25/4,175.42
  6. Step 6: Final answer
    x = 3,905.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.