Home / 5,470.89-7,549.92-3,113.25

Finding the Fourth Proportional to 5,470.89, 7,549.92 and 3,113.25

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Solution

The fourth proportional to 5,470.89, 7,549.92 and 3,113.25 is: 4,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.89 : 7,549.92 = 3,113.25 : x
  2. Step 2: Convert to fraction form
    5,470.89/7,549.92 = 3,113.25/x
  3. Step 3: Cross multiply
    5,470.89x = 7,549.92 × 3,113.25
  4. Step 4: Simplify right side
    5,470.89x = 23,504,788.44
  5. Step 5: Solve for x
    x = 23,504,788.44/5,470.89
  6. Step 6: Final answer
    x = 4,296.34

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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.