Home / 5,911.90-8,158.41-3,259.35

Finding the Fourth Proportional to 5,911.90, 8,158.41 and 3,259.35

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Solution

The fourth proportional to 5,911.90, 8,158.41 and 3,259.35 is: 4,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.90 : 8,158.41 = 3,259.35 : x
  2. Step 2: Convert to fraction form
    5,911.90/8,158.41 = 3,259.35/x
  3. Step 3: Cross multiply
    5,911.90x = 8,158.41 × 3,259.35
  4. Step 4: Simplify right side
    5,911.90x = 26,591,125.86
  5. Step 5: Solve for x
    x = 26,591,125.86/5,911.90
  6. Step 6: Final answer
    x = 4,497.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.