Home / 5,564.25-7,679.21-3,080.25

Finding the Fourth Proportional to 5,564.25, 7,679.21 and 3,080.25

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Solution

The fourth proportional to 5,564.25, 7,679.21 and 3,080.25 is: 4,251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.25 : 7,679.21 = 3,080.25 : x
  2. Step 2: Convert to fraction form
    5,564.25/7,679.21 = 3,080.25/x
  3. Step 3: Cross multiply
    5,564.25x = 7,679.21 × 3,080.25
  4. Step 4: Simplify right side
    5,564.25x = 23,653,871.20
  5. Step 5: Solve for x
    x = 23,653,871.20/5,564.25
  6. Step 6: Final answer
    x = 4,251.04

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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.