Home / 4,443.09-6,131.56-2,453.78

Finding the Fourth Proportional to 4,443.09, 6,131.56 and 2,453.78

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Solution

The fourth proportional to 4,443.09, 6,131.56 and 2,453.78 is: 3,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.09 : 6,131.56 = 2,453.78 : x
  2. Step 2: Convert to fraction form
    4,443.09/6,131.56 = 2,453.78/x
  3. Step 3: Cross multiply
    4,443.09x = 6,131.56 × 2,453.78
  4. Step 4: Simplify right side
    4,443.09x = 15,045,468.64
  5. Step 5: Solve for x
    x = 15,045,468.64/4,443.09
  6. Step 6: Final answer
    x = 3,386.26

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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.