Home / 5,470.94-7,549.44-3,081.12

Finding the Fourth Proportional to 5,470.94, 7,549.44 and 3,081.12

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Solution

The fourth proportional to 5,470.94, 7,549.44 and 3,081.12 is: 4,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.94 : 7,549.44 = 3,081.12 : x
  2. Step 2: Convert to fraction form
    5,470.94/7,549.44 = 3,081.12/x
  3. Step 3: Cross multiply
    5,470.94x = 7,549.44 × 3,081.12
  4. Step 4: Simplify right side
    5,470.94x = 23,260,730.57
  5. Step 5: Solve for x
    x = 23,260,730.57/5,470.94
  6. Step 6: Final answer
    x = 4,251.69

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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.