Home / 4,182.42-5,772.09-2,390.43

Finding the Fourth Proportional to 4,182.42, 5,772.09 and 2,390.43

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Solution

The fourth proportional to 4,182.42, 5,772.09 and 2,390.43 is: 3,298.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.42 : 5,772.09 = 2,390.43 : x
  2. Step 2: Convert to fraction form
    4,182.42/5,772.09 = 2,390.43/x
  3. Step 3: Cross multiply
    4,182.42x = 5,772.09 × 2,390.43
  4. Step 4: Simplify right side
    4,182.42x = 13,797,777.10
  5. Step 5: Solve for x
    x = 13,797,777.10/4,182.42
  6. Step 6: Final answer
    x = 3,298.99

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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.