Home / 6,191.10-9,289.26-3,972.45

Finding the Fourth Proportional to 6,191.10, 9,289.26 and 3,972.45

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Solution

The fourth proportional to 6,191.10, 9,289.26 and 3,972.45 is: 5,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.10 : 9,289.26 = 3,972.45 : x
  2. Step 2: Convert to fraction form
    6,191.10/9,289.26 = 3,972.45/x
  3. Step 3: Cross multiply
    6,191.10x = 9,289.26 × 3,972.45
  4. Step 4: Simplify right side
    6,191.10x = 36,901,120.89
  5. Step 5: Solve for x
    x = 36,901,120.89/6,191.10
  6. Step 6: Final answer
    x = 5,960.35

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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.