Home / 4,299.12-5,945.88-3,856.86

Finding the Fourth Proportional to 4,299.12, 5,945.88 and 3,856.86

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Solution

The fourth proportional to 4,299.12, 5,945.88 and 3,856.86 is: 5,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.12 : 5,945.88 = 3,856.86 : x
  2. Step 2: Convert to fraction form
    4,299.12/5,945.88 = 3,856.86/x
  3. Step 3: Cross multiply
    4,299.12x = 5,945.88 × 3,856.86
  4. Step 4: Simplify right side
    4,299.12x = 22,932,426.74
  5. Step 5: Solve for x
    x = 22,932,426.74/4,299.12
  6. Step 6: Final answer
    x = 5,334.21

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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.