Home / 3,022.50-4,167.90-2,392.02

Finding the Fourth Proportional to 3,022.50, 4,167.90 and 2,392.02

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Solution

The fourth proportional to 3,022.50, 4,167.90 and 2,392.02 is: 3,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.50 : 4,167.90 = 2,392.02 : x
  2. Step 2: Convert to fraction form
    3,022.50/4,167.90 = 2,392.02/x
  3. Step 3: Cross multiply
    3,022.50x = 4,167.90 × 2,392.02
  4. Step 4: Simplify right side
    3,022.50x = 9,969,700.16
  5. Step 5: Solve for x
    x = 9,969,700.16/3,022.50
  6. Step 6: Final answer
    x = 3,298.49

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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.