Home / 3,103.71-4,283.15-1,777.34

Finding the Fourth Proportional to 3,103.71, 4,283.15 and 1,777.34

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Solution

The fourth proportional to 3,103.71, 4,283.15 and 1,777.34 is: 2,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.71 : 4,283.15 = 1,777.34 : x
  2. Step 2: Convert to fraction form
    3,103.71/4,283.15 = 1,777.34/x
  3. Step 3: Cross multiply
    3,103.71x = 4,283.15 × 1,777.34
  4. Step 4: Simplify right side
    3,103.71x = 7,612,583.52
  5. Step 5: Solve for x
    x = 7,612,583.52/3,103.71
  6. Step 6: Final answer
    x = 2,452.74

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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.