Home / 3,062.52-4,221.72-1,882.68

Finding the Fourth Proportional to 3,062.52, 4,221.72 and 1,882.68

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Solution

The fourth proportional to 3,062.52, 4,221.72 and 1,882.68 is: 2,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.52 : 4,221.72 = 1,882.68 : x
  2. Step 2: Convert to fraction form
    3,062.52/4,221.72 = 1,882.68/x
  3. Step 3: Cross multiply
    3,062.52x = 4,221.72 × 1,882.68
  4. Step 4: Simplify right side
    3,062.52x = 7,948,147.81
  5. Step 5: Solve for x
    x = 7,948,147.81/3,062.52
  6. Step 6: Final answer
    x = 2,595.30

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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.