Home / 2,426.94-3,355.92-1,928.70

Finding the Fourth Proportional to 2,426.94, 3,355.92 and 1,928.70

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Solution

The fourth proportional to 2,426.94, 3,355.92 and 1,928.70 is: 2,666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.94 : 3,355.92 = 1,928.70 : x
  2. Step 2: Convert to fraction form
    2,426.94/3,355.92 = 1,928.70/x
  3. Step 3: Cross multiply
    2,426.94x = 3,355.92 × 1,928.70
  4. Step 4: Simplify right side
    2,426.94x = 6,472,562.90
  5. Step 5: Solve for x
    x = 6,472,562.90/2,426.94
  6. Step 6: Final answer
    x = 2,666.96

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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.