Home / 5,186.52-7,155.36-2,917.33

Finding the Fourth Proportional to 5,186.52, 7,155.36 and 2,917.33

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Solution

The fourth proportional to 5,186.52, 7,155.36 and 2,917.33 is: 4,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.52 : 7,155.36 = 2,917.33 : x
  2. Step 2: Convert to fraction form
    5,186.52/7,155.36 = 2,917.33/x
  3. Step 3: Cross multiply
    5,186.52x = 7,155.36 × 2,917.33
  4. Step 4: Simplify right side
    5,186.52x = 20,874,546.39
  5. Step 5: Solve for x
    x = 20,874,546.39/5,186.52
  6. Step 6: Final answer
    x = 4,024.77

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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.