Home / 5,470.68-7,550.28-3,113.04

Finding the Fourth Proportional to 5,470.68, 7,550.28 and 3,113.04

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Solution

The fourth proportional to 5,470.68, 7,550.28 and 3,113.04 is: 4,296.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.68 : 7,550.28 = 3,113.04 : x
  2. Step 2: Convert to fraction form
    5,470.68/7,550.28 = 3,113.04/x
  3. Step 3: Cross multiply
    5,470.68x = 7,550.28 × 3,113.04
  4. Step 4: Simplify right side
    5,470.68x = 23,504,323.65
  5. Step 5: Solve for x
    x = 23,504,323.65/5,470.68
  6. Step 6: Final answer
    x = 4,296.42

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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.