Home / 4,129.94-5,697.45-2,451.42

Finding the Fourth Proportional to 4,129.94, 5,697.45 and 2,451.42

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Solution

The fourth proportional to 4,129.94, 5,697.45 and 2,451.42 is: 3,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.94 : 5,697.45 = 2,451.42 : x
  2. Step 2: Convert to fraction form
    4,129.94/5,697.45 = 2,451.42/x
  3. Step 3: Cross multiply
    4,129.94x = 5,697.45 × 2,451.42
  4. Step 4: Simplify right side
    4,129.94x = 13,966,842.88
  5. Step 5: Solve for x
    x = 13,966,842.88/4,129.94
  6. Step 6: Final answer
    x = 3,381.86

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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.