Home / 3,742.92-5,167.32-2,627.28

Finding the Fourth Proportional to 3,742.92, 5,167.32 and 2,627.28

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Solution

The fourth proportional to 3,742.92, 5,167.32 and 2,627.28 is: 3,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.92 : 5,167.32 = 2,627.28 : x
  2. Step 2: Convert to fraction form
    3,742.92/5,167.32 = 2,627.28/x
  3. Step 3: Cross multiply
    3,742.92x = 5,167.32 × 2,627.28
  4. Step 4: Simplify right side
    3,742.92x = 13,575,996.49
  5. Step 5: Solve for x
    x = 13,575,996.49/3,742.92
  6. Step 6: Final answer
    x = 3,627.11

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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.