Home / 4,079.48-5,629.85-2,400.96

Finding the Fourth Proportional to 4,079.48, 5,629.85 and 2,400.96

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Solution

The fourth proportional to 4,079.48, 5,629.85 and 2,400.96 is: 3,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.48 : 5,629.85 = 2,400.96 : x
  2. Step 2: Convert to fraction form
    4,079.48/5,629.85 = 2,400.96/x
  3. Step 3: Cross multiply
    4,079.48x = 5,629.85 × 2,400.96
  4. Step 4: Simplify right side
    4,079.48x = 13,517,044.66
  5. Step 5: Solve for x
    x = 13,517,044.66/4,079.48
  6. Step 6: Final answer
    x = 3,313.42

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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.