Home / 4,945.86-6,827.18-3,057.75

Finding the Fourth Proportional to 4,945.86, 6,827.18 and 3,057.75

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Solution

The fourth proportional to 4,945.86, 6,827.18 and 3,057.75 is: 4,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.86 : 6,827.18 = 3,057.75 : x
  2. Step 2: Convert to fraction form
    4,945.86/6,827.18 = 3,057.75/x
  3. Step 3: Cross multiply
    4,945.86x = 6,827.18 × 3,057.75
  4. Step 4: Simplify right side
    4,945.86x = 20,875,794.36
  5. Step 5: Solve for x
    x = 20,875,794.36/4,945.86
  6. Step 6: Final answer
    x = 4,220.86

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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.