Home / 3,730.22-5,147.72-2,238.13

Finding the Fourth Proportional to 3,730.22, 5,147.72 and 2,238.13

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Solution

The fourth proportional to 3,730.22, 5,147.72 and 2,238.13 is: 3,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.22 : 5,147.72 = 2,238.13 : x
  2. Step 2: Convert to fraction form
    3,730.22/5,147.72 = 2,238.13/x
  3. Step 3: Cross multiply
    3,730.22x = 5,147.72 × 2,238.13
  4. Step 4: Simplify right side
    3,730.22x = 11,521,266.56
  5. Step 5: Solve for x
    x = 11,521,266.56/3,730.22
  6. Step 6: Final answer
    x = 3,088.63

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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.