Home / 3,153.39-4,730.34-1,072.56

Finding the Fourth Proportional to 3,153.39, 4,730.34 and 1,072.56

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Solution

The fourth proportional to 3,153.39, 4,730.34 and 1,072.56 is: 1,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.39 : 4,730.34 = 1,072.56 : x
  2. Step 2: Convert to fraction form
    3,153.39/4,730.34 = 1,072.56/x
  3. Step 3: Cross multiply
    3,153.39x = 4,730.34 × 1,072.56
  4. Step 4: Simplify right side
    3,153.39x = 5,073,573.47
  5. Step 5: Solve for x
    x = 5,073,573.47/3,153.39
  6. Step 6: Final answer
    x = 1,608.93

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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.