Home / 5,404.69-7,458.90-3,015.44

Finding the Fourth Proportional to 5,404.69, 7,458.90 and 3,015.44

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Solution

The fourth proportional to 5,404.69, 7,458.90 and 3,015.44 is: 4,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.69 : 7,458.90 = 3,015.44 : x
  2. Step 2: Convert to fraction form
    5,404.69/7,458.90 = 3,015.44/x
  3. Step 3: Cross multiply
    5,404.69x = 7,458.90 × 3,015.44
  4. Step 4: Simplify right side
    5,404.69x = 22,491,865.42
  5. Step 5: Solve for x
    x = 22,491,865.42/5,404.69
  6. Step 6: Final answer
    x = 4,161.55

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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.