Home / 5,911.72-8,158.19-3,259.07

Finding the Fourth Proportional to 5,911.72, 8,158.19 and 3,259.07

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Solution

The fourth proportional to 5,911.72, 8,158.19 and 3,259.07 is: 4,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.72 : 8,158.19 = 3,259.07 : x
  2. Step 2: Convert to fraction form
    5,911.72/8,158.19 = 3,259.07/x
  3. Step 3: Cross multiply
    5,911.72x = 8,158.19 × 3,259.07
  4. Step 4: Simplify right side
    5,911.72x = 26,588,140.83
  5. Step 5: Solve for x
    x = 26,588,140.83/5,911.72
  6. Step 6: Final answer
    x = 4,497.53

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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.