Home / 5,470.75-7,550.04-3,113.65

Finding the Fourth Proportional to 5,470.75, 7,550.04 and 3,113.65

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Solution

The fourth proportional to 5,470.75, 7,550.04 and 3,113.65 is: 4,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.75 : 7,550.04 = 3,113.65 : x
  2. Step 2: Convert to fraction form
    5,470.75/7,550.04 = 3,113.65/x
  3. Step 3: Cross multiply
    5,470.75x = 7,550.04 × 3,113.65
  4. Step 4: Simplify right side
    5,470.75x = 23,508,182.05
  5. Step 5: Solve for x
    x = 23,508,182.05/5,470.75
  6. Step 6: Final answer
    x = 4,297.07

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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.