Home / 4,191.12-6,288.21-1,726.11

Finding the Fourth Proportional to 4,191.12, 6,288.21 and 1,726.11

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Solution

The fourth proportional to 4,191.12, 6,288.21 and 1,726.11 is: 2,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.12 : 6,288.21 = 1,726.11 : x
  2. Step 2: Convert to fraction form
    4,191.12/6,288.21 = 1,726.11/x
  3. Step 3: Cross multiply
    4,191.12x = 6,288.21 × 1,726.11
  4. Step 4: Simplify right side
    4,191.12x = 10,854,142.16
  5. Step 5: Solve for x
    x = 10,854,142.16/4,191.12
  6. Step 6: Final answer
    x = 2,589.80

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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.