Home / 2,726.84-4,091.08-2,111.24

Finding the Fourth Proportional to 2,726.84, 4,091.08 and 2,111.24

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Solution

The fourth proportional to 2,726.84, 4,091.08 and 2,111.24 is: 3,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.84 : 4,091.08 = 2,111.24 : x
  2. Step 2: Convert to fraction form
    2,726.84/4,091.08 = 2,111.24/x
  3. Step 3: Cross multiply
    2,726.84x = 4,091.08 × 2,111.24
  4. Step 4: Simplify right side
    2,726.84x = 8,637,251.74
  5. Step 5: Solve for x
    x = 8,637,251.74/2,726.84
  6. Step 6: Final answer
    x = 3,167.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.