Home / 4,437.54-6,121.54-3,387.78

Finding the Fourth Proportional to 4,437.54, 6,121.54 and 3,387.78

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Solution

The fourth proportional to 4,437.54, 6,121.54 and 3,387.78 is: 4,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.54 : 6,121.54 = 3,387.78 : x
  2. Step 2: Convert to fraction form
    4,437.54/6,121.54 = 3,387.78/x
  3. Step 3: Cross multiply
    4,437.54x = 6,121.54 × 3,387.78
  4. Step 4: Simplify right side
    4,437.54x = 20,738,430.78
  5. Step 5: Solve for x
    x = 20,738,430.78/4,437.54
  6. Step 6: Final answer
    x = 4,673.41

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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.