Home / 5,126.83-7,694.31-2,354.78

Finding the Fourth Proportional to 5,126.83, 7,694.31 and 2,354.78

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Solution

The fourth proportional to 5,126.83, 7,694.31 and 2,354.78 is: 3,534.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.83 : 7,694.31 = 2,354.78 : x
  2. Step 2: Convert to fraction form
    5,126.83/7,694.31 = 2,354.78/x
  3. Step 3: Cross multiply
    5,126.83x = 7,694.31 × 2,354.78
  4. Step 4: Simplify right side
    5,126.83x = 18,118,407.30
  5. Step 5: Solve for x
    x = 18,118,407.30/5,126.83
  6. Step 6: Final answer
    x = 3,534.04

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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.