Home / 3,412.06-5,115.66-2,754.74

Finding the Fourth Proportional to 3,412.06, 5,115.66 and 2,754.74

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Solution

The fourth proportional to 3,412.06, 5,115.66 and 2,754.74 is: 4,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.06 : 5,115.66 = 2,754.74 : x
  2. Step 2: Convert to fraction form
    3,412.06/5,115.66 = 2,754.74/x
  3. Step 3: Cross multiply
    3,412.06x = 5,115.66 × 2,754.74
  4. Step 4: Simplify right side
    3,412.06x = 14,092,315.69
  5. Step 5: Solve for x
    x = 14,092,315.69/3,412.06
  6. Step 6: Final answer
    x = 4,130.15

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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.