Home / 2,068.20-2,853.84-1,171.92

Finding the Fourth Proportional to 2,068.20, 2,853.84 and 1,171.92

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Solution

The fourth proportional to 2,068.20, 2,853.84 and 1,171.92 is: 1,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.20 : 2,853.84 = 1,171.92 : x
  2. Step 2: Convert to fraction form
    2,068.20/2,853.84 = 1,171.92/x
  3. Step 3: Cross multiply
    2,068.20x = 2,853.84 × 1,171.92
  4. Step 4: Simplify right side
    2,068.20x = 3,344,472.17
  5. Step 5: Solve for x
    x = 3,344,472.17/2,068.20
  6. Step 6: Final answer
    x = 1,617.09

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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.