Home / 3,453.46-4,765.81-1,881.56

Finding the Fourth Proportional to 3,453.46, 4,765.81 and 1,881.56

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Solution

The fourth proportional to 3,453.46, 4,765.81 and 1,881.56 is: 2,596.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.46 : 4,765.81 = 1,881.56 : x
  2. Step 2: Convert to fraction form
    3,453.46/4,765.81 = 1,881.56/x
  3. Step 3: Cross multiply
    3,453.46x = 4,765.81 × 1,881.56
  4. Step 4: Simplify right side
    3,453.46x = 8,967,157.46
  5. Step 5: Solve for x
    x = 8,967,157.46/3,453.46
  6. Step 6: Final answer
    x = 2,596.57

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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.