Home / 3,053.38-4,214.68-2,171.74

Finding the Fourth Proportional to 3,053.38, 4,214.68 and 2,171.74

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Solution

The fourth proportional to 3,053.38, 4,214.68 and 2,171.74 is: 2,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.38 : 4,214.68 = 2,171.74 : x
  2. Step 2: Convert to fraction form
    3,053.38/4,214.68 = 2,171.74/x
  3. Step 3: Cross multiply
    3,053.38x = 4,214.68 × 2,171.74
  4. Step 4: Simplify right side
    3,053.38x = 9,153,189.14
  5. Step 5: Solve for x
    x = 9,153,189.14/3,053.38
  6. Step 6: Final answer
    x = 2,997.72

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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.