Home / 5,305.76-7,316.82-3,512.42

Finding the Fourth Proportional to 5,305.76, 7,316.82 and 3,512.42

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Solution

The fourth proportional to 5,305.76, 7,316.82 and 3,512.42 is: 4,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.76 : 7,316.82 = 3,512.42 : x
  2. Step 2: Convert to fraction form
    5,305.76/7,316.82 = 3,512.42/x
  3. Step 3: Cross multiply
    5,305.76x = 7,316.82 × 3,512.42
  4. Step 4: Simplify right side
    5,305.76x = 25,699,708.32
  5. Step 5: Solve for x
    x = 25,699,708.32/5,305.76
  6. Step 6: Final answer
    x = 4,843.74

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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.