Home / 5,631.32-8,447.13-1,933.49

Finding the Fourth Proportional to 5,631.32, 8,447.13 and 1,933.49

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Solution

The fourth proportional to 5,631.32, 8,447.13 and 1,933.49 is: 2,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.32 : 8,447.13 = 1,933.49 : x
  2. Step 2: Convert to fraction form
    5,631.32/8,447.13 = 1,933.49/x
  3. Step 3: Cross multiply
    5,631.32x = 8,447.13 × 1,933.49
  4. Step 4: Simplify right side
    5,631.32x = 16,332,399.15
  5. Step 5: Solve for x
    x = 16,332,399.15/5,631.32
  6. Step 6: Final answer
    x = 2,900.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.