Home / 3,756.12-5,180.94-2,637.12

Finding the Fourth Proportional to 3,756.12, 5,180.94 and 2,637.12

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Solution

The fourth proportional to 3,756.12, 5,180.94 and 2,637.12 is: 3,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.12 : 5,180.94 = 2,637.12 : x
  2. Step 2: Convert to fraction form
    3,756.12/5,180.94 = 2,637.12/x
  3. Step 3: Cross multiply
    3,756.12x = 5,180.94 × 2,637.12
  4. Step 4: Simplify right side
    3,756.12x = 13,662,760.49
  5. Step 5: Solve for x
    x = 13,662,760.49/3,756.12
  6. Step 6: Final answer
    x = 3,637.47

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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.