Home / 3,531.44-4,872.75-2,039.42

Finding the Fourth Proportional to 3,531.44, 4,872.75 and 2,039.42

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Solution

The fourth proportional to 3,531.44, 4,872.75 and 2,039.42 is: 2,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.44 : 4,872.75 = 2,039.42 : x
  2. Step 2: Convert to fraction form
    3,531.44/4,872.75 = 2,039.42/x
  3. Step 3: Cross multiply
    3,531.44x = 4,872.75 × 2,039.42
  4. Step 4: Simplify right side
    3,531.44x = 9,937,583.81
  5. Step 5: Solve for x
    x = 9,937,583.81/3,531.44
  6. Step 6: Final answer
    x = 2,814.03

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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.