Home / 5,436.28-7,505.40-3,757.06

Finding the Fourth Proportional to 5,436.28, 7,505.40 and 3,757.06

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Solution

The fourth proportional to 5,436.28, 7,505.40 and 3,757.06 is: 5,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.28 : 7,505.40 = 3,757.06 : x
  2. Step 2: Convert to fraction form
    5,436.28/7,505.40 = 3,757.06/x
  3. Step 3: Cross multiply
    5,436.28x = 7,505.40 × 3,757.06
  4. Step 4: Simplify right side
    5,436.28x = 28,198,238.12
  5. Step 5: Solve for x
    x = 28,198,238.12/5,436.28
  6. Step 6: Final answer
    x = 5,187.05

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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.