Home / 3,039.15-4,191.45-2,096.45

Finding the Fourth Proportional to 3,039.15, 4,191.45 and 2,096.45

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Solution

The fourth proportional to 3,039.15, 4,191.45 and 2,096.45 is: 2,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.15 : 4,191.45 = 2,096.45 : x
  2. Step 2: Convert to fraction form
    3,039.15/4,191.45 = 2,096.45/x
  3. Step 3: Cross multiply
    3,039.15x = 4,191.45 × 2,096.45
  4. Step 4: Simplify right side
    3,039.15x = 8,787,152.25
  5. Step 5: Solve for x
    x = 8,787,152.25/3,039.15
  6. Step 6: Final answer
    x = 2,891.32

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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.