Home / 5,470.08-7,549.38-3,112.44

Finding the Fourth Proportional to 5,470.08, 7,549.38 and 3,112.44

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Solution

The fourth proportional to 5,470.08, 7,549.38 and 3,112.44 is: 4,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.08 : 7,549.38 = 3,112.44 : x
  2. Step 2: Convert to fraction form
    5,470.08/7,549.38 = 3,112.44/x
  3. Step 3: Cross multiply
    5,470.08x = 7,549.38 × 3,112.44
  4. Step 4: Simplify right side
    5,470.08x = 23,496,992.29
  5. Step 5: Solve for x
    x = 23,496,992.29/5,470.08
  6. Step 6: Final answer
    x = 4,295.55

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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.