Home / 7,168.20-10,752.26-3,470.78

Finding the Fourth Proportional to 7,168.20, 10,752.26 and 3,470.78

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Solution

The fourth proportional to 7,168.20, 10,752.26 and 3,470.78 is: 5,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.20 : 10,752.26 = 3,470.78 : x
  2. Step 2: Convert to fraction form
    7,168.20/10,752.26 = 3,470.78/x
  3. Step 3: Cross multiply
    7,168.20x = 10,752.26 × 3,470.78
  4. Step 4: Simplify right side
    7,168.20x = 37,318,728.96
  5. Step 5: Solve for x
    x = 37,318,728.96/7,168.20
  6. Step 6: Final answer
    x = 5,206.15

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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.