Home / 5,671.01-7,823.45-3,311.75

Finding the Fourth Proportional to 5,671.01, 7,823.45 and 3,311.75

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Solution

The fourth proportional to 5,671.01, 7,823.45 and 3,311.75 is: 4,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.01 : 7,823.45 = 3,311.75 : x
  2. Step 2: Convert to fraction form
    5,671.01/7,823.45 = 3,311.75/x
  3. Step 3: Cross multiply
    5,671.01x = 7,823.45 × 3,311.75
  4. Step 4: Simplify right side
    5,671.01x = 25,909,293.98
  5. Step 5: Solve for x
    x = 25,909,293.98/5,671.01
  6. Step 6: Final answer
    x = 4,568.73

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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.