Home / 5,470.70-7,550.44-3,479.18

Finding the Fourth Proportional to 5,470.70, 7,550.44 and 3,479.18

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Solution

The fourth proportional to 5,470.70, 7,550.44 and 3,479.18 is: 4,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.70 : 7,550.44 = 3,479.18 : x
  2. Step 2: Convert to fraction form
    5,470.70/7,550.44 = 3,479.18/x
  3. Step 3: Cross multiply
    5,470.70x = 7,550.44 × 3,479.18
  4. Step 4: Simplify right side
    5,470.70x = 26,269,339.84
  5. Step 5: Solve for x
    x = 26,269,339.84/5,470.70
  6. Step 6: Final answer
    x = 4,801.82

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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.