Home / 5,419.27-7,478.44-3,029.25

Finding the Fourth Proportional to 5,419.27, 7,478.44 and 3,029.25

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Solution

The fourth proportional to 5,419.27, 7,478.44 and 3,029.25 is: 4,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.27 : 7,478.44 = 3,029.25 : x
  2. Step 2: Convert to fraction form
    5,419.27/7,478.44 = 3,029.25/x
  3. Step 3: Cross multiply
    5,419.27x = 7,478.44 × 3,029.25
  4. Step 4: Simplify right side
    5,419.27x = 22,654,069.20
  5. Step 5: Solve for x
    x = 22,654,069.20/5,419.27
  6. Step 6: Final answer
    x = 4,180.28

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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.