Home / 4,105.65-5,662.30-3,470.67

Finding the Fourth Proportional to 4,105.65, 5,662.30 and 3,470.67

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Solution

The fourth proportional to 4,105.65, 5,662.30 and 3,470.67 is: 4,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.65 : 5,662.30 = 3,470.67 : x
  2. Step 2: Convert to fraction form
    4,105.65/5,662.30 = 3,470.67/x
  3. Step 3: Cross multiply
    4,105.65x = 5,662.30 × 3,470.67
  4. Step 4: Simplify right side
    4,105.65x = 19,651,974.74
  5. Step 5: Solve for x
    x = 19,651,974.74/4,105.65
  6. Step 6: Final answer
    x = 4,786.57

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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.