Home / 2,636.28-3,627.14-2,003.12

Finding the Fourth Proportional to 2,636.28, 3,627.14 and 2,003.12

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Solution

The fourth proportional to 2,636.28, 3,627.14 and 2,003.12 is: 2,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.28 : 3,627.14 = 2,003.12 : x
  2. Step 2: Convert to fraction form
    2,636.28/3,627.14 = 2,003.12/x
  3. Step 3: Cross multiply
    2,636.28x = 3,627.14 × 2,003.12
  4. Step 4: Simplify right side
    2,636.28x = 7,265,596.68
  5. Step 5: Solve for x
    x = 7,265,596.68/2,636.28
  6. Step 6: Final answer
    x = 2,756.00

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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.