Home / 3,022.47-4,166.91-2,238.39

Finding the Fourth Proportional to 3,022.47, 4,166.91 and 2,238.39

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Solution

The fourth proportional to 3,022.47, 4,166.91 and 2,238.39 is: 3,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.47 : 4,166.91 = 2,238.39 : x
  2. Step 2: Convert to fraction form
    3,022.47/4,166.91 = 2,238.39/x
  3. Step 3: Cross multiply
    3,022.47x = 4,166.91 × 2,238.39
  4. Step 4: Simplify right side
    3,022.47x = 9,327,169.67
  5. Step 5: Solve for x
    x = 9,327,169.67/3,022.47
  6. Step 6: Final answer
    x = 3,085.94

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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.