Home / 3,453.57-4,765.86-1,881.63

Finding the Fourth Proportional to 3,453.57, 4,765.86 and 1,881.63

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Solution

The fourth proportional to 3,453.57, 4,765.86 and 1,881.63 is: 2,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.57 : 4,765.86 = 1,881.63 : x
  2. Step 2: Convert to fraction form
    3,453.57/4,765.86 = 1,881.63/x
  3. Step 3: Cross multiply
    3,453.57x = 4,765.86 × 1,881.63
  4. Step 4: Simplify right side
    3,453.57x = 8,967,585.15
  5. Step 5: Solve for x
    x = 8,967,585.15/3,453.57
  6. Step 6: Final answer
    x = 2,596.61

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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.