Home / 5,579.24-7,736.15-5,394.20

Finding the Fourth Proportional to 5,579.24, 7,736.15 and 5,394.20

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Solution

The fourth proportional to 5,579.24, 7,736.15 and 5,394.20 is: 7,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.24 : 7,736.15 = 5,394.20 : x
  2. Step 2: Convert to fraction form
    5,579.24/7,736.15 = 5,394.20/x
  3. Step 3: Cross multiply
    5,579.24x = 7,736.15 × 5,394.20
  4. Step 4: Simplify right side
    5,579.24x = 41,730,340.33
  5. Step 5: Solve for x
    x = 41,730,340.33/5,579.24
  6. Step 6: Final answer
    x = 7,479.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.