Home / 3,414.49-4,711.70-2,087.98

Finding the Fourth Proportional to 3,414.49, 4,711.70 and 2,087.98

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Solution

The fourth proportional to 3,414.49, 4,711.70 and 2,087.98 is: 2,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.49 : 4,711.70 = 2,087.98 : x
  2. Step 2: Convert to fraction form
    3,414.49/4,711.70 = 2,087.98/x
  3. Step 3: Cross multiply
    3,414.49x = 4,711.70 × 2,087.98
  4. Step 4: Simplify right side
    3,414.49x = 9,837,928.81
  5. Step 5: Solve for x
    x = 9,837,928.81/3,414.49
  6. Step 6: Final answer
    x = 2,881.23

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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.