Home / 5,261.57-7,260.99-2,903.78

Finding the Fourth Proportional to 5,261.57, 7,260.99 and 2,903.78

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Solution

The fourth proportional to 5,261.57, 7,260.99 and 2,903.78 is: 4,007.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.57 : 7,260.99 = 2,903.78 : x
  2. Step 2: Convert to fraction form
    5,261.57/7,260.99 = 2,903.78/x
  3. Step 3: Cross multiply
    5,261.57x = 7,260.99 × 2,903.78
  4. Step 4: Simplify right side
    5,261.57x = 21,084,317.54
  5. Step 5: Solve for x
    x = 21,084,317.54/5,261.57
  6. Step 6: Final answer
    x = 4,007.23

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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.