Home / 5,847.88-8,070.18-3,195.40

Finding the Fourth Proportional to 5,847.88, 8,070.18 and 3,195.40

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Solution

The fourth proportional to 5,847.88, 8,070.18 and 3,195.40 is: 4,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,847.88 : 8,070.18 = 3,195.40 : x
  2. Step 2: Convert to fraction form
    5,847.88/8,070.18 = 3,195.40/x
  3. Step 3: Cross multiply
    5,847.88x = 8,070.18 × 3,195.40
  4. Step 4: Simplify right side
    5,847.88x = 25,787,453.17
  5. Step 5: Solve for x
    x = 25,787,453.17/5,847.88
  6. Step 6: Final answer
    x = 4,409.71

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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.