Home / 3,168.32-4,372.28-1,771.06

Finding the Fourth Proportional to 3,168.32, 4,372.28 and 1,771.06

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Solution

The fourth proportional to 3,168.32, 4,372.28 and 1,771.06 is: 2,444.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.32 : 4,372.28 = 1,771.06 : x
  2. Step 2: Convert to fraction form
    3,168.32/4,372.28 = 1,771.06/x
  3. Step 3: Cross multiply
    3,168.32x = 4,372.28 × 1,771.06
  4. Step 4: Simplify right side
    3,168.32x = 7,743,570.22
  5. Step 5: Solve for x
    x = 7,743,570.22/3,168.32
  6. Step 6: Final answer
    x = 2,444.06

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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.