Home / 3,073.76-4,609.70-1,125.52

Finding the Fourth Proportional to 3,073.76, 4,609.70 and 1,125.52

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Solution

The fourth proportional to 3,073.76, 4,609.70 and 1,125.52 is: 1,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.76 : 4,609.70 = 1,125.52 : x
  2. Step 2: Convert to fraction form
    3,073.76/4,609.70 = 1,125.52/x
  3. Step 3: Cross multiply
    3,073.76x = 4,609.70 × 1,125.52
  4. Step 4: Simplify right side
    3,073.76x = 5,188,309.54
  5. Step 5: Solve for x
    x = 5,188,309.54/3,073.76
  6. Step 6: Final answer
    x = 1,687.94

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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.