Home / 4,129.12-5,698.92-2,451.45

Finding the Fourth Proportional to 4,129.12, 5,698.92 and 2,451.45

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Solution

The fourth proportional to 4,129.12, 5,698.92 and 2,451.45 is: 3,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.12 : 5,698.92 = 2,451.45 : x
  2. Step 2: Convert to fraction form
    4,129.12/5,698.92 = 2,451.45/x
  3. Step 3: Cross multiply
    4,129.12x = 5,698.92 × 2,451.45
  4. Step 4: Simplify right side
    4,129.12x = 13,970,617.43
  5. Step 5: Solve for x
    x = 13,970,617.43/4,129.12
  6. Step 6: Final answer
    x = 3,383.44

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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.