Home / 3,160.81-4,361.96-1,744.47

Finding the Fourth Proportional to 3,160.81, 4,361.96 and 1,744.47

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Solution

The fourth proportional to 3,160.81, 4,361.96 and 1,744.47 is: 2,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.81 : 4,361.96 = 1,744.47 : x
  2. Step 2: Convert to fraction form
    3,160.81/4,361.96 = 1,744.47/x
  3. Step 3: Cross multiply
    3,160.81x = 4,361.96 × 1,744.47
  4. Step 4: Simplify right side
    3,160.81x = 7,609,308.36
  5. Step 5: Solve for x
    x = 7,609,308.36/3,160.81
  6. Step 6: Final answer
    x = 2,407.39

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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.