Home / 5,461.01-8,191.51-3,623.86

Finding the Fourth Proportional to 5,461.01, 8,191.51 and 3,623.86

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Solution

The fourth proportional to 5,461.01, 8,191.51 and 3,623.86 is: 5,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.01 : 8,191.51 = 3,623.86 : x
  2. Step 2: Convert to fraction form
    5,461.01/8,191.51 = 3,623.86/x
  3. Step 3: Cross multiply
    5,461.01x = 8,191.51 × 3,623.86
  4. Step 4: Simplify right side
    5,461.01x = 29,684,885.43
  5. Step 5: Solve for x
    x = 29,684,885.43/5,461.01
  6. Step 6: Final answer
    x = 5,435.79

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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.