Home / 1,677.94-2,318.49-1,348.98

Finding the Fourth Proportional to 1,677.94, 2,318.49 and 1,348.98

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Solution

The fourth proportional to 1,677.94, 2,318.49 and 1,348.98 is: 1,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.94 : 2,318.49 = 1,348.98 : x
  2. Step 2: Convert to fraction form
    1,677.94/2,318.49 = 1,348.98/x
  3. Step 3: Cross multiply
    1,677.94x = 2,318.49 × 1,348.98
  4. Step 4: Simplify right side
    1,677.94x = 3,127,596.64
  5. Step 5: Solve for x
    x = 3,127,596.64/1,677.94
  6. Step 6: Final answer
    x = 1,863.95

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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.