Home / 5,817.34-8,726.03-2,119.57

Finding the Fourth Proportional to 5,817.34, 8,726.03 and 2,119.57

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Solution

The fourth proportional to 5,817.34, 8,726.03 and 2,119.57 is: 3,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.34 : 8,726.03 = 2,119.57 : x
  2. Step 2: Convert to fraction form
    5,817.34/8,726.03 = 2,119.57/x
  3. Step 3: Cross multiply
    5,817.34x = 8,726.03 × 2,119.57
  4. Step 4: Simplify right side
    5,817.34x = 18,495,406.94
  5. Step 5: Solve for x
    x = 18,495,406.94/5,817.34
  6. Step 6: Final answer
    x = 3,179.36

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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.