Home / 3,743.42-5,615.21-1,146.36

Finding the Fourth Proportional to 3,743.42, 5,615.21 and 1,146.36

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Solution

The fourth proportional to 3,743.42, 5,615.21 and 1,146.36 is: 1,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.42 : 5,615.21 = 1,146.36 : x
  2. Step 2: Convert to fraction form
    3,743.42/5,615.21 = 1,146.36/x
  3. Step 3: Cross multiply
    3,743.42x = 5,615.21 × 1,146.36
  4. Step 4: Simplify right side
    3,743.42x = 6,437,052.14
  5. Step 5: Solve for x
    x = 6,437,052.14/3,743.42
  6. Step 6: Final answer
    x = 1,719.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.