Home / 4,288.48-5,917.64-2,399.92

Finding the Fourth Proportional to 4,288.48, 5,917.64 and 2,399.92

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Solution

The fourth proportional to 4,288.48, 5,917.64 and 2,399.92 is: 3,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.48 : 5,917.64 = 2,399.92 : x
  2. Step 2: Convert to fraction form
    4,288.48/5,917.64 = 2,399.92/x
  3. Step 3: Cross multiply
    4,288.48x = 5,917.64 × 2,399.92
  4. Step 4: Simplify right side
    4,288.48x = 14,201,862.59
  5. Step 5: Solve for x
    x = 14,201,862.59/4,288.48
  6. Step 6: Final answer
    x = 3,311.63

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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.