Home / 5,407.11-8,107.90-2,482.88

Finding the Fourth Proportional to 5,407.11, 8,107.90 and 2,482.88

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Solution

The fourth proportional to 5,407.11, 8,107.90 and 2,482.88 is: 3,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.11 : 8,107.90 = 2,482.88 : x
  2. Step 2: Convert to fraction form
    5,407.11/8,107.90 = 2,482.88/x
  3. Step 3: Cross multiply
    5,407.11x = 8,107.90 × 2,482.88
  4. Step 4: Simplify right side
    5,407.11x = 20,130,896.01
  5. Step 5: Solve for x
    x = 20,130,896.01/5,407.11
  6. Step 6: Final answer
    x = 3,723.04

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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.