Home / 5,480.97-7,563.45-3,090.99

Finding the Fourth Proportional to 5,480.97, 7,563.45 and 3,090.99

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Solution

The fourth proportional to 5,480.97, 7,563.45 and 3,090.99 is: 4,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.97 : 7,563.45 = 3,090.99 : x
  2. Step 2: Convert to fraction form
    5,480.97/7,563.45 = 3,090.99/x
  3. Step 3: Cross multiply
    5,480.97x = 7,563.45 × 3,090.99
  4. Step 4: Simplify right side
    5,480.97x = 23,378,548.32
  5. Step 5: Solve for x
    x = 23,378,548.32/5,480.97
  6. Step 6: Final answer
    x = 4,265.40

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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.