Home / 5,015.36-7,521.12-2,960.96

Finding the Fourth Proportional to 5,015.36, 7,521.12 and 2,960.96

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Solution

The fourth proportional to 5,015.36, 7,521.12 and 2,960.96 is: 4,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.36 : 7,521.12 = 2,960.96 : x
  2. Step 2: Convert to fraction form
    5,015.36/7,521.12 = 2,960.96/x
  3. Step 3: Cross multiply
    5,015.36x = 7,521.12 × 2,960.96
  4. Step 4: Simplify right side
    5,015.36x = 22,269,735.48
  5. Step 5: Solve for x
    x = 22,269,735.48/5,015.36
  6. Step 6: Final answer
    x = 4,440.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.