Home / 5,076.10-7,608.96-2,880.19

Finding the Fourth Proportional to 5,076.10, 7,608.96 and 2,880.19

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Solution

The fourth proportional to 5,076.10, 7,608.96 and 2,880.19 is: 4,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.10 : 7,608.96 = 2,880.19 : x
  2. Step 2: Convert to fraction form
    5,076.10/7,608.96 = 2,880.19/x
  3. Step 3: Cross multiply
    5,076.10x = 7,608.96 × 2,880.19
  4. Step 4: Simplify right side
    5,076.10x = 21,915,231.48
  5. Step 5: Solve for x
    x = 21,915,231.48/5,076.10
  6. Step 6: Final answer
    x = 4,317.34

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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.