Home / 5,042.22-7,564.22-2,120.28

Finding the Fourth Proportional to 5,042.22, 7,564.22 and 2,120.28

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Solution

The fourth proportional to 5,042.22, 7,564.22 and 2,120.28 is: 3,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.22 : 7,564.22 = 2,120.28 : x
  2. Step 2: Convert to fraction form
    5,042.22/7,564.22 = 2,120.28/x
  3. Step 3: Cross multiply
    5,042.22x = 7,564.22 × 2,120.28
  4. Step 4: Simplify right side
    5,042.22x = 16,038,264.38
  5. Step 5: Solve for x
    x = 16,038,264.38/5,042.22
  6. Step 6: Final answer
    x = 3,180.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.