Home / 2,330.22-3,215.66-1,282.29

Finding the Fourth Proportional to 2,330.22, 3,215.66 and 1,282.29

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Solution

The fourth proportional to 2,330.22, 3,215.66 and 1,282.29 is: 1,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.22 : 3,215.66 = 1,282.29 : x
  2. Step 2: Convert to fraction form
    2,330.22/3,215.66 = 1,282.29/x
  3. Step 3: Cross multiply
    2,330.22x = 3,215.66 × 1,282.29
  4. Step 4: Simplify right side
    2,330.22x = 4,123,408.66
  5. Step 5: Solve for x
    x = 4,123,408.66/2,330.22
  6. Step 6: Final answer
    x = 1,769.54

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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.