Home / 3,912.41-5,860.71-3,031.74

Finding the Fourth Proportional to 3,912.41, 5,860.71 and 3,031.74

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Solution

The fourth proportional to 3,912.41, 5,860.71 and 3,031.74 is: 4,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.41 : 5,860.71 = 3,031.74 : x
  2. Step 2: Convert to fraction form
    3,912.41/5,860.71 = 3,031.74/x
  3. Step 3: Cross multiply
    3,912.41x = 5,860.71 × 3,031.74
  4. Step 4: Simplify right side
    3,912.41x = 17,768,148.94
  5. Step 5: Solve for x
    x = 17,768,148.94/3,912.41
  6. Step 6: Final answer
    x = 4,541.49

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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.