Home / 3,096.95-4,274.42-2,102.55

Finding the Fourth Proportional to 3,096.95, 4,274.42 and 2,102.55

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Solution

The fourth proportional to 3,096.95, 4,274.42 and 2,102.55 is: 2,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.95 : 4,274.42 = 2,102.55 : x
  2. Step 2: Convert to fraction form
    3,096.95/4,274.42 = 2,102.55/x
  3. Step 3: Cross multiply
    3,096.95x = 4,274.42 × 2,102.55
  4. Step 4: Simplify right side
    3,096.95x = 8,987,181.77
  5. Step 5: Solve for x
    x = 8,987,181.77/3,096.95
  6. Step 6: Final answer
    x = 2,901.95

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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.